21876847840

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1647353}}^1$

素因数の和:1647451

約数の個数: 48

約数和(自身を含む): 52306784208

約数和(自身を除く): 30429936368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 1647353, 3294706, 6589412, 8236765, 13178824, 16473530, 26357648, 32947060, 52715296, 65894120, 131788240, 136730299, 263576480, 273460598, 546921196, 683651495, 1093842392, 1367302990, 2187684784, 2734605980, 4375369568, 5469211960, 10938423920, 21876847840]

約数ペア:

[(1, 21876847840), (2, 10938423920), (4, 5469211960), (5, 4375369568), (8, 2734605980), (10, 2187684784), (16, 1367302990), (20, 1093842392), (32, 683651495), (40, 546921196), (80, 273460598), (83, 263576480), (160, 136730299), (166, 131788240), (332, 65894120), (415, 52715296), (664, 32947060), (830, 26357648), (1328, 16473530), (1660, 13178824), (2656, 8236765), (3320, 6589412), (6640, 3294706), (13280, 1647353)]