21526290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1307}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 58389120

約数和(自身を除く): 36862830

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, 1307, 1647, 1830, 2614, 2745, 3294, 3921, 5490, 6535, 7842, 8235, 11763, 13070, 16470, 19605, 23526, 35289, 39210, 58815, 70578, 79727, 117630, 159454, 176445, 239181, 352890, 398635, 478362, 717543, 797270, 1195905, 1435086, 2152629, 2391810, 3587715, 4305258, 7175430, 10763145, 21526290]

約数ペア:

[(1, 21526290), (2, 10763145), (3, 7175430), (5, 4305258), (6, 3587715), (9, 2391810), (10, 2152629), (15, 1435086), (18, 1195905), (27, 797270), (30, 717543), (45, 478362), (54, 398635), (61, 352890), (90, 239181), (122, 176445), (135, 159454), (183, 117630), (270, 79727), (305, 70578), (366, 58815), (549, 39210), (610, 35289), (915, 23526), (1098, 19605), (1307, 16470), (1647, 13070), (1830, 11763), (2614, 8235), (2745, 7842), (3294, 6535), (3921, 5490)]