21567630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3361

約数の個数: 64

約数和(自身を含む): 61083648

約数和(自身を除く): 39516018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 3313, 6510, 6626, 9939, 16565, 19878, 23191, 33130, 46382, 49695, 69573, 99390, 102703, 115955, 139146, 205406, 231910, 308109, 347865, 513515, 616218, 695730, 718921, 1027030, 1437842, 1540545, 2156763, 3081090, 3594605, 4313526, 7189210, 10783815, 21567630]

約数ペア:

[(1, 21567630), (2, 10783815), (3, 7189210), (5, 4313526), (6, 3594605), (7, 3081090), (10, 2156763), (14, 1540545), (15, 1437842), (21, 1027030), (30, 718921), (31, 695730), (35, 616218), (42, 513515), (62, 347865), (70, 308109), (93, 231910), (105, 205406), (155, 139146), (186, 115955), (210, 102703), (217, 99390), (310, 69573), (434, 49695), (465, 46382), (651, 33130), (930, 23191), (1085, 19878), (1302, 16565), (2170, 9939), (3255, 6626), (3313, 6510)]