21130145736

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17967811}}^1$

素因数の和:17967834

約数の個数: 48

約数和(自身を含む): 61449917040

約数和(自身を除く): 40319771304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17967811, 35935622, 53903433, 71871244, 107806866, 125774677, 143742488, 215613732, 251549354, 377324031, 431227464, 503098708, 754648062, 880422739, 1006197416, 1509296124, 1760845478, 2641268217, 3018592248, 3521690956, 5282536434, 7043381912, 10565072868, 21130145736]

約数ペア:

[(1, 21130145736), (2, 10565072868), (3, 7043381912), (4, 5282536434), (6, 3521690956), (7, 3018592248), (8, 2641268217), (12, 1760845478), (14, 1509296124), (21, 1006197416), (24, 880422739), (28, 754648062), (42, 503098708), (49, 431227464), (56, 377324031), (84, 251549354), (98, 215613732), (147, 143742488), (168, 125774677), (196, 107806866), (294, 71871244), (392, 53903433), (588, 35935622), (1176, 17967811)]