21726880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1062

約数の個数: 96

約数和(自身を含む): 61810560

約数和(自身を除く): 40083680

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, 1021, 1064, 1120, 1330, 1520, 2042, 2128, 2660, 3040, 4084, 4256, 5105, 5320, 7147, 8168, 10210, 10640, 14294, 16336, 19399, 20420, 21280, 28588, 32672, 35735, 38798, 40840, 57176, 71470, 77596, 81680, 96995, 114352, 135793, 142940, 155192, 163360, 193990, 228704, 271586, 285880, 310384, 387980, 543172, 571760, 620768, 678965, 775960, 1086344, 1143520, 1357930, 1551920, 2172688, 2715860, 3103840, 4345376, 5431720, 10863440, 21726880]

約数ペア:

[(1, 21726880), (2, 10863440), (4, 5431720), (5, 4345376), (7, 3103840), (8, 2715860), (10, 2172688), (14, 1551920), (16, 1357930), (19, 1143520), (20, 1086344), (28, 775960), (32, 678965), (35, 620768), (38, 571760), (40, 543172), (56, 387980), (70, 310384), (76, 285880), (80, 271586), (95, 228704), (112, 193990), (133, 163360), (140, 155192), (152, 142940), (160, 135793), (190, 114352), (224, 96995), (266, 81680), (280, 77596), (304, 71470), (380, 57176), (532, 40840), (560, 38798), (608, 35735), (665, 32672), (760, 28588), (1021, 21280), (1064, 20420), (1120, 19399), (1330, 16336), (1520, 14294), (2042, 10640), (2128, 10210), (2660, 8168), (3040, 7147), (4084, 5320), (4256, 5105)]