21939680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1072

約数の個数: 96

約数和(自身を含む): 62415360

約数和(自身を除く): 40475680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1031, 1064, 1120, 1330, 1520, 2062, 2128, 2660, 3040, 4124, 4256, 5155, 5320, 7217, 8248, 10310, 10640, 14434, 16496, 19589, 20620, 21280, 28868, 32992, 36085, 39178, 41240, 57736, 72170, 78356, 82480, 97945, 115472, 137123, 144340, 156712, 164960, 195890, 230944, 274246, 288680, 313424, 391780, 548492, 577360, 626848, 685615, 783560, 1096984, 1154720, 1371230, 1567120, 2193968, 2742460, 3134240, 4387936, 5484920, 10969840, 21939680]

約数ペア:

[(1, 21939680), (2, 10969840), (4, 5484920), (5, 4387936), (7, 3134240), (8, 2742460), (10, 2193968), (14, 1567120), (16, 1371230), (19, 1154720), (20, 1096984), (28, 783560), (32, 685615), (35, 626848), (38, 577360), (40, 548492), (56, 391780), (70, 313424), (76, 288680), (80, 274246), (95, 230944), (112, 195890), (133, 164960), (140, 156712), (152, 144340), (160, 137123), (190, 115472), (224, 97945), (266, 82480), (280, 78356), (304, 72170), (380, 57736), (532, 41240), (560, 39178), (608, 36085), (665, 32992), (760, 28868), (1031, 21280), (1064, 20620), (1120, 19589), (1330, 16496), (1520, 14434), (2062, 10640), (2128, 10310), (2660, 8248), (3040, 7217), (4124, 5320), (4256, 5155)]