21563430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14669}}^1$

素因数の和:14693

約数の個数: 48

約数和(自身を含む): 60205680

約数和(自身を除く): 38642250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14669, 29338, 44007, 73345, 88014, 102683, 146690, 205366, 220035, 308049, 440070, 513415, 616098, 718781, 1026830, 1437562, 1540245, 2156343, 3080490, 3593905, 4312686, 7187810, 10781715, 21563430]

約数ペア:

[(1, 21563430), (2, 10781715), (3, 7187810), (5, 4312686), (6, 3593905), (7, 3080490), (10, 2156343), (14, 1540245), (15, 1437562), (21, 1026830), (30, 718781), (35, 616098), (42, 513415), (49, 440070), (70, 308049), (98, 220035), (105, 205366), (147, 146690), (210, 102683), (245, 88014), (294, 73345), (490, 44007), (735, 29338), (1470, 14669)]