21622328

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4243}}^1$

素因数の和:4276

約数の個数: 48

約数和(自身を含む): 50800680

約数和(自身を除く): 29178352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4243, 5096, 8486, 16972, 29701, 33944, 55159, 59402, 110318, 118804, 207907, 220636, 237608, 386113, 415814, 441272, 772226, 831628, 1544452, 1663256, 2702791, 3088904, 5405582, 10811164, 21622328]

約数ペア:

[(1, 21622328), (2, 10811164), (4, 5405582), (7, 3088904), (8, 2702791), (13, 1663256), (14, 1544452), (26, 831628), (28, 772226), (49, 441272), (52, 415814), (56, 386113), (91, 237608), (98, 220636), (104, 207907), (182, 118804), (196, 110318), (364, 59402), (392, 55159), (637, 33944), (728, 29701), (1274, 16972), (2548, 8486), (4243, 5096)]