21416070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 56064960

約数和(自身を除く): 34648890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 617, 890, 1157, 1234, 1335, 1851, 2314, 2670, 3085, 3471, 3702, 5785, 6170, 6942, 8021, 9255, 11570, 16042, 17355, 18510, 24063, 34710, 40105, 48126, 54913, 80210, 109826, 120315, 164739, 240630, 274565, 329478, 549130, 713869, 823695, 1427738, 1647390, 2141607, 3569345, 4283214, 7138690, 10708035, 21416070]

約数ペア:

[(1, 21416070), (2, 10708035), (3, 7138690), (5, 4283214), (6, 3569345), (10, 2141607), (13, 1647390), (15, 1427738), (26, 823695), (30, 713869), (39, 549130), (65, 329478), (78, 274565), (89, 240630), (130, 164739), (178, 120315), (195, 109826), (267, 80210), (390, 54913), (445, 48126), (534, 40105), (617, 34710), (890, 24063), (1157, 18510), (1234, 17355), (1335, 16042), (1851, 11570), (2314, 9255), (2670, 8021), (3085, 6942), (3471, 6170), (3702, 5785)]