21219691360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18946153}}^1$

素因数の和:18946175

約数の個数: 48

約数和(自身を含む): 57293169696

約数和(自身を除く): 36073478336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18946153, 37892306, 75784612, 94730765, 132623071, 151569224, 189461530, 265246142, 303138448, 378923060, 530492284, 606276896, 663115355, 757846120, 1060984568, 1326230710, 1515692240, 2121969136, 2652461420, 3031384480, 4243938272, 5304922840, 10609845680, 21219691360]

約数ペア:

[(1, 21219691360), (2, 10609845680), (4, 5304922840), (5, 4243938272), (7, 3031384480), (8, 2652461420), (10, 2121969136), (14, 1515692240), (16, 1326230710), (20, 1060984568), (28, 757846120), (32, 663115355), (35, 606276896), (40, 530492284), (56, 378923060), (70, 303138448), (80, 265246142), (112, 189461530), (140, 151569224), (160, 132623071), (224, 94730765), (280, 75784612), (560, 37892306), (1120, 18946153)]