21055734

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 54535680

約数和(自身を除く): 33479946

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 1051, 1113, 1431, 2102, 2226, 2862, 3153, 3339, 6306, 6678, 7357, 9459, 10017, 14714, 18918, 20034, 22071, 28377, 44142, 55703, 56754, 66213, 111406, 132426, 167109, 198639, 334218, 389921, 397278, 501327, 779842, 1002654, 1169763, 1503981, 2339526, 3007962, 3509289, 7018578, 10527867, 21055734]

約数ペア:

[(1, 21055734), (2, 10527867), (3, 7018578), (6, 3509289), (7, 3007962), (9, 2339526), (14, 1503981), (18, 1169763), (21, 1002654), (27, 779842), (42, 501327), (53, 397278), (54, 389921), (63, 334218), (106, 198639), (126, 167109), (159, 132426), (189, 111406), (318, 66213), (371, 56754), (378, 55703), (477, 44142), (742, 28377), (954, 22071), (1051, 20034), (1113, 18918), (1431, 14714), (2102, 10017), (2226, 9459), (2862, 7357), (3153, 6678), (3339, 6306)]