21952008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 65520000

約数和(自身を除く): 43567992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 47, 52, 72, 78, 94, 104, 117, 141, 156, 188, 234, 282, 312, 376, 423, 468, 499, 564, 611, 846, 936, 998, 1128, 1222, 1497, 1692, 1833, 1996, 2444, 2994, 3384, 3666, 3992, 4491, 4888, 5499, 5988, 6487, 7332, 8982, 10998, 11976, 12974, 14664, 17964, 19461, 21996, 23453, 25948, 35928, 38922, 43992, 46906, 51896, 58383, 70359, 77844, 93812, 116766, 140718, 155688, 187624, 211077, 233532, 281436, 304889, 422154, 467064, 562872, 609778, 844308, 914667, 1219556, 1688616, 1829334, 2439112, 2744001, 3658668, 5488002, 7317336, 10976004, 21952008]

約数ペア:

[(1, 21952008), (2, 10976004), (3, 7317336), (4, 5488002), (6, 3658668), (8, 2744001), (9, 2439112), (12, 1829334), (13, 1688616), (18, 1219556), (24, 914667), (26, 844308), (36, 609778), (39, 562872), (47, 467064), (52, 422154), (72, 304889), (78, 281436), (94, 233532), (104, 211077), (117, 187624), (141, 155688), (156, 140718), (188, 116766), (234, 93812), (282, 77844), (312, 70359), (376, 58383), (423, 51896), (468, 46906), (499, 43992), (564, 38922), (611, 35928), (846, 25948), (936, 23453), (998, 21996), (1128, 19461), (1222, 17964), (1497, 14664), (1692, 12974), (1833, 11976), (1996, 10998), (2444, 8982), (2994, 7332), (3384, 6487), (3666, 5988), (3992, 5499), (4491, 4888)]