21746004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 60979968

約数和(自身を除く): 39233964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1193, 1302, 1519, 2386, 2604, 3038, 3579, 4557, 4772, 6076, 7158, 8351, 9114, 14316, 16702, 18228, 25053, 33404, 36983, 50106, 58457, 73966, 100212, 110949, 116914, 147932, 175371, 221898, 233828, 258881, 350742, 443796, 517762, 701484, 776643, 1035524, 1553286, 1812167, 3106572, 3624334, 5436501, 7248668, 10873002, 21746004]

約数ペア:

[(1, 21746004), (2, 10873002), (3, 7248668), (4, 5436501), (6, 3624334), (7, 3106572), (12, 1812167), (14, 1553286), (21, 1035524), (28, 776643), (31, 701484), (42, 517762), (49, 443796), (62, 350742), (84, 258881), (93, 233828), (98, 221898), (124, 175371), (147, 147932), (186, 116914), (196, 110949), (217, 100212), (294, 73966), (372, 58457), (434, 50106), (588, 36983), (651, 33404), (868, 25053), (1193, 18228), (1302, 16702), (1519, 14316), (2386, 9114), (2604, 8351), (3038, 7158), (3579, 6076), (4557, 4772)]