21900060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 216

約数和(自身を含む): 83655936

約数和(自身を除く): 61755876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 191, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 382, 390, 420, 441, 455, 468, 490, 546, 573, 585, 588, 630, 637, 735, 764, 780, 819, 882, 910, 955, 980, 1092, 1146, 1170, 1260, 1274, 1337, 1365, 1470, 1638, 1719, 1764, 1820, 1910, 1911, 2205, 2292, 2340, 2483, 2548, 2674, 2730, 2865, 2940, 3185, 3276, 3438, 3820, 3822, 4011, 4095, 4410, 4966, 5348, 5460, 5730, 5733, 6370, 6685, 6876, 7449, 7644, 8022, 8190, 8595, 8820, 9359, 9555, 9932, 11460, 11466, 12033, 12415, 12740, 13370, 14898, 16044, 16380, 17190, 17381, 18718, 19110, 20055, 22347, 22932, 24066, 24830, 26740, 28077, 28665, 29796, 34380, 34762, 37245, 37436, 38220, 40110, 44694, 46795, 48132, 49660, 52143, 56154, 57330, 60165, 69524, 74490, 80220, 84231, 86905, 89388, 93590, 104286, 111735, 112308, 114660, 120330, 121667, 140385, 148980, 156429, 168462, 173810, 187180, 208572, 223470, 240660, 243334, 260715, 280770, 312858, 336924, 347620, 365001, 421155, 446940, 486668, 521430, 561540, 608335, 625716, 730002, 782145, 842310, 1042860, 1095003, 1216670, 1460004, 1564290, 1684620, 1825005, 2190006, 2433340, 3128580, 3650010, 4380012, 5475015, 7300020, 10950030, 21900060]

約数ペア:

[(1, 21900060), (2, 10950030), (3, 7300020), (4, 5475015), (5, 4380012), (6, 3650010), (7, 3128580), (9, 2433340), (10, 2190006), (12, 1825005), (13, 1684620), (14, 1564290), (15, 1460004), (18, 1216670), (20, 1095003), (21, 1042860), (26, 842310), (28, 782145), (30, 730002), (35, 625716), (36, 608335), (39, 561540), (42, 521430), (45, 486668), (49, 446940), (52, 421155), (60, 365001), (63, 347620), (65, 336924), (70, 312858), (78, 280770), (84, 260715), (90, 243334), (91, 240660), (98, 223470), (105, 208572), (117, 187180), (126, 173810), (130, 168462), (140, 156429), (147, 148980), (156, 140385), (180, 121667), (182, 120330), (191, 114660), (195, 112308), (196, 111735), (210, 104286), (234, 93590), (245, 89388), (252, 86905), (260, 84231), (273, 80220), (294, 74490), (315, 69524), (364, 60165), (382, 57330), (390, 56154), (420, 52143), (441, 49660), (455, 48132), (468, 46795), (490, 44694), (546, 40110), (573, 38220), (585, 37436), (588, 37245), (630, 34762), (637, 34380), (735, 29796), (764, 28665), (780, 28077), (819, 26740), (882, 24830), (910, 24066), (955, 22932), (980, 22347), (1092, 20055), (1146, 19110), (1170, 18718), (1260, 17381), (1274, 17190), (1337, 16380), (1365, 16044), (1470, 14898), (1638, 13370), (1719, 12740), (1764, 12415), (1820, 12033), (1910, 11466), (1911, 11460), (2205, 9932), (2292, 9555), (2340, 9359), (2483, 8820), (2548, 8595), (2674, 8190), (2730, 8022), (2865, 7644), (2940, 7449), (3185, 6876), (3276, 6685), (3438, 6370), (3820, 5733), (3822, 5730), (4011, 5460), (4095, 5348), (4410, 4966)]