21358428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19559}}^1$

素因数の和:19586

約数の個数: 48

約数和(自身を含む): 61340160

約数和(自身を除く): 39981732

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19559, 39118, 58677, 78236, 117354, 136913, 234708, 254267, 273826, 410739, 508534, 547652, 762801, 821478, 1017068, 1525602, 1642956, 1779869, 3051204, 3559738, 5339607, 7119476, 10679214, 21358428]

約数ペア:

[(1, 21358428), (2, 10679214), (3, 7119476), (4, 5339607), (6, 3559738), (7, 3051204), (12, 1779869), (13, 1642956), (14, 1525602), (21, 1017068), (26, 821478), (28, 762801), (39, 547652), (42, 508534), (52, 410739), (78, 273826), (84, 254267), (91, 234708), (156, 136913), (182, 117354), (273, 78236), (364, 58677), (546, 39118), (1092, 19559)]