21312330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54647}}^1$

素因数の和:54670

約数の個数: 32

約数和(自身を含む): 55085184

約数和(自身を除く): 33772854

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54647, 109294, 163941, 273235, 327882, 546470, 710411, 819705, 1420822, 1639410, 2131233, 3552055, 4262466, 7104110, 10656165, 21312330]

約数ペア:

[(1, 21312330), (2, 10656165), (3, 7104110), (5, 4262466), (6, 3552055), (10, 2131233), (13, 1639410), (15, 1420822), (26, 819705), (30, 710411), (39, 546470), (65, 327882), (78, 273235), (130, 163941), (195, 109294), (390, 54647)]