21846580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 34923980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 190, 191, 215, 266, 301, 380, 382, 430, 532, 602, 665, 764, 817, 860, 955, 1204, 1330, 1337, 1505, 1634, 1910, 2660, 2674, 3010, 3268, 3629, 3820, 4085, 5348, 5719, 6020, 6685, 7258, 8170, 8213, 11438, 13370, 14516, 16340, 16426, 18145, 22876, 25403, 26740, 28595, 32852, 36290, 41065, 50806, 57190, 57491, 72580, 82130, 101612, 114380, 114982, 127015, 156047, 164260, 229964, 254030, 287455, 312094, 508060, 574910, 624188, 780235, 1092329, 1149820, 1560470, 2184658, 3120940, 4369316, 5461645, 10923290, 21846580]

約数ペア:

[(1, 21846580), (2, 10923290), (4, 5461645), (5, 4369316), (7, 3120940), (10, 2184658), (14, 1560470), (19, 1149820), (20, 1092329), (28, 780235), (35, 624188), (38, 574910), (43, 508060), (70, 312094), (76, 287455), (86, 254030), (95, 229964), (133, 164260), (140, 156047), (172, 127015), (190, 114982), (191, 114380), (215, 101612), (266, 82130), (301, 72580), (380, 57491), (382, 57190), (430, 50806), (532, 41065), (602, 36290), (665, 32852), (764, 28595), (817, 26740), (860, 25403), (955, 22876), (1204, 18145), (1330, 16426), (1337, 16340), (1505, 14516), (1634, 13370), (1910, 11438), (2660, 8213), (2674, 8170), (3010, 7258), (3268, 6685), (3629, 6020), (3820, 5719), (4085, 5348)]