21456030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23071}}^1$

素因数の和:23112

約数の個数: 32

約数和(自身を含む): 53157888

約数和(自身を除く): 31701858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23071, 46142, 69213, 115355, 138426, 230710, 346065, 692130, 715201, 1430402, 2145603, 3576005, 4291206, 7152010, 10728015, 21456030]

約数ペア:

[(1, 21456030), (2, 10728015), (3, 7152010), (5, 4291206), (6, 3576005), (10, 2145603), (15, 1430402), (30, 715201), (31, 692130), (62, 346065), (93, 230710), (155, 138426), (186, 115355), (310, 69213), (465, 46142), (930, 23071)]