21816054

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1184

約数の個数: 56

約数和(自身を含む): 52883712

約数和(自身を除く): 31067658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1151, 1458, 2106, 2302, 3159, 3453, 6318, 6906, 9477, 10359, 14963, 18954, 20718, 29926, 31077, 44889, 62154, 89778, 93231, 134667, 186462, 269334, 279693, 404001, 559386, 808002, 839079, 1212003, 1678158, 2424006, 3636009, 7272018, 10908027, 21816054]

約数ペア:

[(1, 21816054), (2, 10908027), (3, 7272018), (6, 3636009), (9, 2424006), (13, 1678158), (18, 1212003), (26, 839079), (27, 808002), (39, 559386), (54, 404001), (78, 279693), (81, 269334), (117, 186462), (162, 134667), (234, 93231), (243, 89778), (351, 62154), (486, 44889), (702, 31077), (729, 29926), (1053, 20718), (1151, 18954), (1458, 14963), (2106, 10359), (2302, 9477), (3159, 6906), (3453, 6318)]