21335850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2789}}^1$

素因数の和:2824

約数の個数: 72

約数和(自身を含む): 60715980

約数和(自身を除く): 39380130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 2789, 3825, 5578, 7650, 8367, 13945, 16734, 25101, 27890, 41835, 47413, 50202, 69725, 83670, 94826, 125505, 139450, 142239, 209175, 237065, 251010, 284478, 418350, 426717, 474130, 627525, 711195, 853434, 1185325, 1255050, 1422390, 2133585, 2370650, 3555975, 4267170, 7111950, 10667925, 21335850]

約数ペア:

[(1, 21335850), (2, 10667925), (3, 7111950), (5, 4267170), (6, 3555975), (9, 2370650), (10, 2133585), (15, 1422390), (17, 1255050), (18, 1185325), (25, 853434), (30, 711195), (34, 627525), (45, 474130), (50, 426717), (51, 418350), (75, 284478), (85, 251010), (90, 237065), (102, 209175), (150, 142239), (153, 139450), (170, 125505), (225, 94826), (255, 83670), (306, 69725), (425, 50202), (450, 47413), (510, 41835), (765, 27890), (850, 25101), (1275, 16734), (1530, 13945), (2550, 8367), (2789, 7650), (3825, 5578)]