21927465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 21892311

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 151, 315, 453, 461, 755, 1057, 1359, 1383, 2265, 2305, 3171, 3227, 4149, 5285, 6795, 6915, 9513, 9681, 15855, 16135, 20745, 29043, 47565, 48405, 69611, 145215, 208833, 348055, 487277, 626499, 1044165, 1461831, 2436385, 3132495, 4385493, 7309155, 21927465]

約数ペア:

[(1, 21927465), (3, 7309155), (5, 4385493), (7, 3132495), (9, 2436385), (15, 1461831), (21, 1044165), (35, 626499), (45, 487277), (63, 348055), (105, 208833), (151, 145215), (315, 69611), (453, 48405), (461, 47565), (755, 29043), (1057, 20745), (1359, 16135), (1383, 15855), (2265, 9681), (2305, 9513), (3171, 6915), (3227, 6795), (4149, 5285)]