21675510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 61731072

約数和(自身を除く): 40055562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 153, 155, 170, 186, 255, 279, 306, 310, 457, 465, 510, 527, 558, 765, 914, 930, 1054, 1371, 1395, 1530, 1581, 2285, 2635, 2742, 2790, 3162, 4113, 4570, 4743, 5270, 6855, 7769, 7905, 8226, 9486, 13710, 14167, 15538, 15810, 20565, 23307, 23715, 28334, 38845, 41130, 42501, 46614, 47430, 69921, 70835, 77690, 85002, 116535, 127503, 139842, 141670, 212505, 233070, 240839, 255006, 349605, 425010, 481678, 637515, 699210, 722517, 1204195, 1275030, 1445034, 2167551, 2408390, 3612585, 4335102, 7225170, 10837755, 21675510]

約数ペア:

[(1, 21675510), (2, 10837755), (3, 7225170), (5, 4335102), (6, 3612585), (9, 2408390), (10, 2167551), (15, 1445034), (17, 1275030), (18, 1204195), (30, 722517), (31, 699210), (34, 637515), (45, 481678), (51, 425010), (62, 349605), (85, 255006), (90, 240839), (93, 233070), (102, 212505), (153, 141670), (155, 139842), (170, 127503), (186, 116535), (255, 85002), (279, 77690), (306, 70835), (310, 69921), (457, 47430), (465, 46614), (510, 42501), (527, 41130), (558, 38845), (765, 28334), (914, 23715), (930, 23307), (1054, 20565), (1371, 15810), (1395, 15538), (1530, 14167), (1581, 13710), (2285, 9486), (2635, 8226), (2742, 7905), (2790, 7769), (3162, 6855), (4113, 5270), (4570, 4743)]