21825440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1534

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 41678560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1499, 1820, 2080, 2912, 2998, 3640, 5996, 7280, 7495, 10493, 11992, 14560, 14990, 19487, 20986, 23984, 29980, 38974, 41972, 47968, 52465, 59960, 77948, 83944, 97435, 104930, 119920, 136409, 155896, 167888, 194870, 209860, 239840, 272818, 311792, 335776, 389740, 419720, 545636, 623584, 682045, 779480, 839440, 1091272, 1364090, 1558960, 1678880, 2182544, 2728180, 3117920, 4365088, 5456360, 10912720, 21825440]

約数ペア:

[(1, 21825440), (2, 10912720), (4, 5456360), (5, 4365088), (7, 3117920), (8, 2728180), (10, 2182544), (13, 1678880), (14, 1558960), (16, 1364090), (20, 1091272), (26, 839440), (28, 779480), (32, 682045), (35, 623584), (40, 545636), (52, 419720), (56, 389740), (65, 335776), (70, 311792), (80, 272818), (91, 239840), (104, 209860), (112, 194870), (130, 167888), (140, 155896), (160, 136409), (182, 119920), (208, 104930), (224, 97435), (260, 83944), (280, 77948), (364, 59960), (416, 52465), (455, 47968), (520, 41972), (560, 38974), (728, 29980), (910, 23984), (1040, 20986), (1120, 19487), (1456, 14990), (1499, 14560), (1820, 11992), (2080, 10493), (2912, 7495), (2998, 7280), (3640, 5996)]