21462456

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34524744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 359, 376, 424, 564, 636, 718, 1077, 1128, 1272, 1436, 2154, 2491, 2872, 4308, 4982, 7473, 8616, 9964, 14946, 16873, 19027, 19928, 29892, 33746, 38054, 50619, 57081, 59784, 67492, 76108, 101238, 114162, 134984, 152216, 202476, 228324, 404952, 456648, 894269, 1788538, 2682807, 3577076, 5365614, 7154152, 10731228, 21462456]

約数ペア:

[(1, 21462456), (2, 10731228), (3, 7154152), (4, 5365614), (6, 3577076), (8, 2682807), (12, 1788538), (24, 894269), (47, 456648), (53, 404952), (94, 228324), (106, 202476), (141, 152216), (159, 134984), (188, 114162), (212, 101238), (282, 76108), (318, 67492), (359, 59784), (376, 57081), (424, 50619), (564, 38054), (636, 33746), (718, 29892), (1077, 19928), (1128, 19027), (1272, 16873), (1436, 14946), (2154, 9964), (2491, 8616), (2872, 7473), (4308, 4982)]