21486336

素因数分解:

$2^8\times 3^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 57959664

約数和(自身を除く): 36473328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 101, 128, 192, 202, 256, 277, 303, 384, 404, 554, 606, 768, 808, 831, 1108, 1212, 1616, 1662, 2216, 2424, 3232, 3324, 4432, 4848, 6464, 6648, 8864, 9696, 12928, 13296, 17728, 19392, 25856, 26592, 27977, 35456, 38784, 53184, 55954, 70912, 77568, 83931, 106368, 111908, 167862, 212736, 223816, 335724, 447632, 671448, 895264, 1342896, 1790528, 2685792, 3581056, 5371584, 7162112, 10743168, 21486336]

約数ペア:

[(1, 21486336), (2, 10743168), (3, 7162112), (4, 5371584), (6, 3581056), (8, 2685792), (12, 1790528), (16, 1342896), (24, 895264), (32, 671448), (48, 447632), (64, 335724), (96, 223816), (101, 212736), (128, 167862), (192, 111908), (202, 106368), (256, 83931), (277, 77568), (303, 70912), (384, 55954), (404, 53184), (554, 38784), (606, 35456), (768, 27977), (808, 26592), (831, 25856), (1108, 19392), (1212, 17728), (1616, 13296), (1662, 12928), (2216, 9696), (2424, 8864), (3232, 6648), (3324, 6464), (4432, 4848)]