21313950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 61710336

約数和(自身を除く): 40396386

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 53, 70, 75, 105, 106, 150, 159, 175, 210, 265, 318, 350, 371, 383, 525, 530, 742, 766, 795, 1050, 1113, 1149, 1325, 1590, 1855, 1915, 2226, 2298, 2650, 2681, 3710, 3830, 3975, 5362, 5565, 5745, 7950, 8043, 9275, 9575, 11130, 11490, 13405, 16086, 18550, 19150, 20299, 26810, 27825, 28725, 40215, 40598, 55650, 57450, 60897, 67025, 80430, 101495, 121794, 134050, 142093, 201075, 202990, 284186, 304485, 402150, 426279, 507475, 608970, 710465, 852558, 1014950, 1420930, 1522425, 2131395, 3044850, 3552325, 4262790, 7104650, 10656975, 21313950]

約数ペア:

[(1, 21313950), (2, 10656975), (3, 7104650), (5, 4262790), (6, 3552325), (7, 3044850), (10, 2131395), (14, 1522425), (15, 1420930), (21, 1014950), (25, 852558), (30, 710465), (35, 608970), (42, 507475), (50, 426279), (53, 402150), (70, 304485), (75, 284186), (105, 202990), (106, 201075), (150, 142093), (159, 134050), (175, 121794), (210, 101495), (265, 80430), (318, 67025), (350, 60897), (371, 57450), (383, 55650), (525, 40598), (530, 40215), (742, 28725), (766, 27825), (795, 26810), (1050, 20299), (1113, 19150), (1149, 18550), (1325, 16086), (1590, 13405), (1855, 11490), (1915, 11130), (2226, 9575), (2298, 9275), (2650, 8043), (2681, 7950), (3710, 5745), (3830, 5565), (3975, 5362)]