21704670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1427}}^1$

素因数の和:1466

約数の個数: 72

約数和(自身を含む): 61149816

約数和(自身を除く): 39445146

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1427, 1521, 1690, 2535, 2854, 3042, 4281, 5070, 7135, 7605, 8562, 12843, 14270, 15210, 18551, 21405, 25686, 37102, 42810, 55653, 64215, 92755, 111306, 128430, 166959, 185510, 241163, 278265, 333918, 482326, 556530, 723489, 834795, 1205815, 1446978, 1669590, 2170467, 2411630, 3617445, 4340934, 7234890, 10852335, 21704670]

約数ペア:

[(1, 21704670), (2, 10852335), (3, 7234890), (5, 4340934), (6, 3617445), (9, 2411630), (10, 2170467), (13, 1669590), (15, 1446978), (18, 1205815), (26, 834795), (30, 723489), (39, 556530), (45, 482326), (65, 333918), (78, 278265), (90, 241163), (117, 185510), (130, 166959), (169, 128430), (195, 111306), (234, 92755), (338, 64215), (390, 55653), (507, 42810), (585, 37102), (845, 25686), (1014, 21405), (1170, 18551), (1427, 15210), (1521, 14270), (1690, 12843), (2535, 8562), (2854, 7605), (3042, 7135), (4281, 5070)]