21871710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 65707200

約数和(自身を除く): 43835490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 149, 210, 233, 298, 315, 447, 466, 630, 699, 745, 894, 1043, 1165, 1341, 1398, 1490, 1631, 2086, 2097, 2235, 2330, 2682, 3129, 3262, 3495, 4194, 4470, 4893, 5215, 6258, 6705, 6990, 8155, 9387, 9786, 10430, 10485, 13410, 14679, 15645, 16310, 18774, 20970, 24465, 29358, 31290, 34717, 46935, 48930, 69434, 73395, 93870, 104151, 146790, 173585, 208302, 243019, 312453, 347170, 486038, 520755, 624906, 729057, 1041510, 1215095, 1458114, 1562265, 2187171, 2430190, 3124530, 3645285, 4374342, 7290570, 10935855, 21871710]

約数ペア:

[(1, 21871710), (2, 10935855), (3, 7290570), (5, 4374342), (6, 3645285), (7, 3124530), (9, 2430190), (10, 2187171), (14, 1562265), (15, 1458114), (18, 1215095), (21, 1041510), (30, 729057), (35, 624906), (42, 520755), (45, 486038), (63, 347170), (70, 312453), (90, 243019), (105, 208302), (126, 173585), (149, 146790), (210, 104151), (233, 93870), (298, 73395), (315, 69434), (447, 48930), (466, 46935), (630, 34717), (699, 31290), (745, 29358), (894, 24465), (1043, 20970), (1165, 18774), (1341, 16310), (1398, 15645), (1490, 14679), (1631, 13410), (2086, 10485), (2097, 10430), (2235, 9786), (2330, 9387), (2682, 8155), (3129, 6990), (3262, 6705), (3495, 6258), (4194, 5215), (4470, 4893)]