21177030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3301

約数の個数: 64

約数和(自身を含む): 59977728

約数和(自身を除く): 38800698

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3253, 3255, 6506, 6510, 9759, 16265, 19518, 22771, 32530, 45542, 48795, 68313, 97590, 100843, 113855, 136626, 201686, 227710, 302529, 341565, 504215, 605058, 683130, 705901, 1008430, 1411802, 1512645, 2117703, 3025290, 3529505, 4235406, 7059010, 10588515, 21177030]

約数ペア:

[(1, 21177030), (2, 10588515), (3, 7059010), (5, 4235406), (6, 3529505), (7, 3025290), (10, 2117703), (14, 1512645), (15, 1411802), (21, 1008430), (30, 705901), (31, 683130), (35, 605058), (42, 504215), (62, 341565), (70, 302529), (93, 227710), (105, 201686), (155, 136626), (186, 113855), (210, 100843), (217, 97590), (310, 68313), (434, 48795), (465, 45542), (651, 32530), (930, 22771), (1085, 19518), (1302, 16265), (2170, 9759), (3253, 6510), (3255, 6506)]