21516390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 49245210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 41, 42, 45, 49, 51, 63, 70, 82, 85, 90, 98, 102, 105, 119, 123, 126, 147, 153, 170, 205, 210, 238, 245, 246, 255, 287, 294, 306, 315, 343, 357, 369, 410, 441, 490, 510, 574, 595, 615, 630, 686, 697, 714, 735, 738, 765, 833, 861, 882, 1029, 1071, 1190, 1230, 1394, 1435, 1470, 1530, 1666, 1715, 1722, 1785, 1845, 2009, 2058, 2091, 2142, 2205, 2499, 2583, 2870, 3087, 3430, 3485, 3570, 3690, 4018, 4165, 4182, 4305, 4410, 4879, 4998, 5145, 5166, 5355, 5831, 6027, 6174, 6273, 6970, 7497, 8330, 8610, 9758, 10045, 10290, 10455, 10710, 11662, 12054, 12495, 12546, 12915, 14063, 14637, 14994, 15435, 17493, 18081, 20090, 20910, 24395, 24990, 25830, 28126, 29155, 29274, 30135, 30870, 31365, 34153, 34986, 36162, 37485, 42189, 43911, 48790, 52479, 58310, 60270, 62730, 68306, 70315, 73185, 74970, 84378, 87465, 87822, 90405, 102459, 104958, 126567, 140630, 146370, 170765, 174930, 180810, 204918, 210945, 219555, 239071, 253134, 262395, 307377, 341530, 421890, 439110, 478142, 512295, 524790, 614754, 632835, 717213, 1024590, 1195355, 1265670, 1434426, 1536885, 2151639, 2390710, 3073770, 3586065, 4303278, 7172130, 10758195, 21516390]

約数ペア:

[(1, 21516390), (2, 10758195), (3, 7172130), (5, 4303278), (6, 3586065), (7, 3073770), (9, 2390710), (10, 2151639), (14, 1536885), (15, 1434426), (17, 1265670), (18, 1195355), (21, 1024590), (30, 717213), (34, 632835), (35, 614754), (41, 524790), (42, 512295), (45, 478142), (49, 439110), (51, 421890), (63, 341530), (70, 307377), (82, 262395), (85, 253134), (90, 239071), (98, 219555), (102, 210945), (105, 204918), (119, 180810), (123, 174930), (126, 170765), (147, 146370), (153, 140630), (170, 126567), (205, 104958), (210, 102459), (238, 90405), (245, 87822), (246, 87465), (255, 84378), (287, 74970), (294, 73185), (306, 70315), (315, 68306), (343, 62730), (357, 60270), (369, 58310), (410, 52479), (441, 48790), (490, 43911), (510, 42189), (574, 37485), (595, 36162), (615, 34986), (630, 34153), (686, 31365), (697, 30870), (714, 30135), (735, 29274), (738, 29155), (765, 28126), (833, 25830), (861, 24990), (882, 24395), (1029, 20910), (1071, 20090), (1190, 18081), (1230, 17493), (1394, 15435), (1435, 14994), (1470, 14637), (1530, 14063), (1666, 12915), (1715, 12546), (1722, 12495), (1785, 12054), (1845, 11662), (2009, 10710), (2058, 10455), (2091, 10290), (2142, 10045), (2205, 9758), (2499, 8610), (2583, 8330), (2870, 7497), (3087, 6970), (3430, 6273), (3485, 6174), (3570, 6027), (3690, 5831), (4018, 5355), (4165, 5166), (4182, 5145), (4305, 4998), (4410, 4879)]