21842772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{569}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 58477440

約数和(自身を除く): 36634668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 457, 569, 914, 1138, 1371, 1707, 1828, 2276, 2742, 3199, 3414, 3983, 5484, 6398, 6828, 7966, 9597, 11949, 12796, 15932, 19194, 23898, 38388, 47796, 260033, 520066, 780099, 1040132, 1560198, 1820231, 3120396, 3640462, 5460693, 7280924, 10921386, 21842772]

約数ペア:

[(1, 21842772), (2, 10921386), (3, 7280924), (4, 5460693), (6, 3640462), (7, 3120396), (12, 1820231), (14, 1560198), (21, 1040132), (28, 780099), (42, 520066), (84, 260033), (457, 47796), (569, 38388), (914, 23898), (1138, 19194), (1371, 15932), (1707, 12796), (1828, 11949), (2276, 9597), (2742, 7966), (3199, 6828), (3414, 6398), (3983, 5484)]