21037068

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 37057332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 569, 711, 948, 1027, 1138, 1422, 1707, 2054, 2276, 2844, 3081, 3414, 4108, 5121, 6162, 6828, 7397, 9243, 10242, 12324, 14794, 18486, 20484, 22191, 29588, 36972, 44382, 44951, 66573, 88764, 89902, 133146, 134853, 179804, 266292, 269706, 404559, 539412, 584363, 809118, 1168726, 1618236, 1753089, 2337452, 3506178, 5259267, 7012356, 10518534, 21037068]

約数ペア:

[(1, 21037068), (2, 10518534), (3, 7012356), (4, 5259267), (6, 3506178), (9, 2337452), (12, 1753089), (13, 1618236), (18, 1168726), (26, 809118), (36, 584363), (39, 539412), (52, 404559), (78, 269706), (79, 266292), (117, 179804), (156, 134853), (158, 133146), (234, 89902), (237, 88764), (316, 66573), (468, 44951), (474, 44382), (569, 36972), (711, 29588), (948, 22191), (1027, 20484), (1138, 18486), (1422, 14794), (1707, 12324), (2054, 10242), (2276, 9243), (2844, 7397), (3081, 6828), (3414, 6162), (4108, 5121)]