21262584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 40427016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 201, 268, 402, 469, 536, 804, 938, 1407, 1608, 1876, 1889, 2814, 3752, 3778, 5628, 5667, 7556, 11256, 11334, 13223, 15112, 22668, 26446, 39669, 45336, 52892, 79338, 105784, 126563, 158676, 253126, 317352, 379689, 506252, 759378, 885941, 1012504, 1518756, 1771882, 2657823, 3037512, 3543764, 5315646, 7087528, 10631292, 21262584]

約数ペア:

[(1, 21262584), (2, 10631292), (3, 7087528), (4, 5315646), (6, 3543764), (7, 3037512), (8, 2657823), (12, 1771882), (14, 1518756), (21, 1012504), (24, 885941), (28, 759378), (42, 506252), (56, 379689), (67, 317352), (84, 253126), (134, 158676), (168, 126563), (201, 105784), (268, 79338), (402, 52892), (469, 45336), (536, 39669), (804, 26446), (938, 22668), (1407, 15112), (1608, 13223), (1876, 11334), (1889, 11256), (2814, 7556), (3752, 5667), (3778, 5628)]