21343452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 35556132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 47, 52, 71, 78, 82, 94, 123, 141, 142, 156, 164, 188, 213, 246, 282, 284, 426, 492, 533, 564, 611, 852, 923, 1066, 1222, 1599, 1833, 1846, 1927, 2132, 2444, 2769, 2911, 3198, 3337, 3666, 3692, 3854, 5538, 5781, 5822, 6396, 6674, 7332, 7708, 8733, 10011, 11076, 11562, 11644, 13348, 17466, 20022, 23124, 25051, 34932, 37843, 40044, 43381, 50102, 75153, 75686, 86762, 100204, 113529, 130143, 136817, 150306, 151372, 173524, 227058, 260286, 273634, 300612, 410451, 454116, 520572, 547268, 820902, 1641804, 1778621, 3557242, 5335863, 7114484, 10671726, 21343452]

約数ペア:

[(1, 21343452), (2, 10671726), (3, 7114484), (4, 5335863), (6, 3557242), (12, 1778621), (13, 1641804), (26, 820902), (39, 547268), (41, 520572), (47, 454116), (52, 410451), (71, 300612), (78, 273634), (82, 260286), (94, 227058), (123, 173524), (141, 151372), (142, 150306), (156, 136817), (164, 130143), (188, 113529), (213, 100204), (246, 86762), (282, 75686), (284, 75153), (426, 50102), (492, 43381), (533, 40044), (564, 37843), (611, 34932), (852, 25051), (923, 23124), (1066, 20022), (1222, 17466), (1599, 13348), (1833, 11644), (1846, 11562), (1927, 11076), (2132, 10011), (2444, 8733), (2769, 7708), (2911, 7332), (3198, 6674), (3337, 6396), (3666, 5822), (3692, 5781), (3854, 5538)]