21131010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 57317760

約数和(自身を除く): 36186750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1283, 1647, 1830, 2566, 2745, 3294, 3849, 5490, 6415, 7698, 8235, 11547, 12830, 16470, 19245, 23094, 34641, 38490, 57735, 69282, 78263, 115470, 156526, 173205, 234789, 346410, 391315, 469578, 704367, 782630, 1173945, 1408734, 2113101, 2347890, 3521835, 4226202, 7043670, 10565505, 21131010]

約数ペア:

[(1, 21131010), (2, 10565505), (3, 7043670), (5, 4226202), (6, 3521835), (9, 2347890), (10, 2113101), (15, 1408734), (18, 1173945), (27, 782630), (30, 704367), (45, 469578), (54, 391315), (61, 346410), (90, 234789), (122, 173205), (135, 156526), (183, 115470), (270, 78263), (305, 69282), (366, 57735), (549, 38490), (610, 34641), (915, 23094), (1098, 19245), (1283, 16470), (1647, 12830), (1830, 11547), (2566, 8235), (2745, 7698), (3294, 6415), (3849, 5490)]