21270030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22871}}^1$

素因数の和:22912

約数の個数: 32

約数和(自身を含む): 52697088

約数和(自身を除く): 31427058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22871, 45742, 68613, 114355, 137226, 228710, 343065, 686130, 709001, 1418002, 2127003, 3545005, 4254006, 7090010, 10635015, 21270030]

約数ペア:

[(1, 21270030), (2, 10635015), (3, 7090010), (5, 4254006), (6, 3545005), (10, 2127003), (15, 1418002), (30, 709001), (31, 686130), (62, 343065), (93, 228710), (155, 137226), (186, 114355), (310, 68613), (465, 45742), (930, 22871)]