21642030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7757}}^1$

素因数の和:7801

約数の個数: 48

約数和(自身を含む): 58091904

約数和(自身を除く): 36449874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7757, 15514, 23271, 38785, 46542, 69813, 77570, 116355, 139626, 232710, 240467, 349065, 480934, 698130, 721401, 1202335, 1442802, 2164203, 2404670, 3607005, 4328406, 7214010, 10821015, 21642030]

約数ペア:

[(1, 21642030), (2, 10821015), (3, 7214010), (5, 4328406), (6, 3607005), (9, 2404670), (10, 2164203), (15, 1442802), (18, 1202335), (30, 721401), (31, 698130), (45, 480934), (62, 349065), (90, 240467), (93, 232710), (155, 139626), (186, 116355), (279, 77570), (310, 69813), (465, 46542), (558, 38785), (930, 23271), (1395, 15514), (2790, 7757)]