21496032

素因数分解:

$2^5\times 3^2\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:856

約数の個数: 72

約数和(自身を含む): 61818120

約数和(自身を除く): 40322088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 101, 144, 202, 288, 303, 404, 606, 739, 808, 909, 1212, 1478, 1616, 1818, 2217, 2424, 2956, 3232, 3636, 4434, 4848, 5912, 6651, 7272, 8868, 9696, 11824, 13302, 14544, 17736, 23648, 26604, 29088, 35472, 53208, 70944, 74639, 106416, 149278, 212832, 223917, 298556, 447834, 597112, 671751, 895668, 1194224, 1343502, 1791336, 2388448, 2687004, 3582672, 5374008, 7165344, 10748016, 21496032]

約数ペア:

[(1, 21496032), (2, 10748016), (3, 7165344), (4, 5374008), (6, 3582672), (8, 2687004), (9, 2388448), (12, 1791336), (16, 1343502), (18, 1194224), (24, 895668), (32, 671751), (36, 597112), (48, 447834), (72, 298556), (96, 223917), (101, 212832), (144, 149278), (202, 106416), (288, 74639), (303, 70944), (404, 53208), (606, 35472), (739, 29088), (808, 26604), (909, 23648), (1212, 17736), (1478, 14544), (1616, 13302), (1818, 11824), (2217, 9696), (2424, 8868), (2956, 7272), (3232, 6651), (3636, 5912), (4434, 4848)]