21583848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 66931200

約数和(自身を除く): 45347352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 88, 104, 114, 132, 143, 152, 156, 209, 228, 247, 264, 286, 312, 331, 418, 429, 456, 494, 572, 627, 662, 741, 836, 858, 988, 993, 1144, 1254, 1324, 1482, 1672, 1716, 1976, 1986, 2508, 2648, 2717, 2964, 3432, 3641, 3972, 4303, 5016, 5434, 5928, 6289, 7282, 7944, 8151, 8606, 10868, 10923, 12578, 12909, 14564, 16302, 17212, 18867, 21736, 21846, 25156, 25818, 29128, 32604, 34424, 37734, 43692, 47333, 50312, 51636, 65208, 69179, 75468, 81757, 87384, 94666, 103272, 138358, 141999, 150936, 163514, 189332, 207537, 245271, 276716, 283998, 327028, 378664, 415074, 490542, 553432, 567996, 654056, 830148, 899327, 981084, 1135992, 1660296, 1798654, 1962168, 2697981, 3597308, 5395962, 7194616, 10791924, 21583848]

約数ペア:

[(1, 21583848), (2, 10791924), (3, 7194616), (4, 5395962), (6, 3597308), (8, 2697981), (11, 1962168), (12, 1798654), (13, 1660296), (19, 1135992), (22, 981084), (24, 899327), (26, 830148), (33, 654056), (38, 567996), (39, 553432), (44, 490542), (52, 415074), (57, 378664), (66, 327028), (76, 283998), (78, 276716), (88, 245271), (104, 207537), (114, 189332), (132, 163514), (143, 150936), (152, 141999), (156, 138358), (209, 103272), (228, 94666), (247, 87384), (264, 81757), (286, 75468), (312, 69179), (331, 65208), (418, 51636), (429, 50312), (456, 47333), (494, 43692), (572, 37734), (627, 34424), (662, 32604), (741, 29128), (836, 25818), (858, 25156), (988, 21846), (993, 21736), (1144, 18867), (1254, 17212), (1324, 16302), (1482, 14564), (1672, 12909), (1716, 12578), (1976, 10923), (1986, 10868), (2508, 8606), (2648, 8151), (2717, 7944), (2964, 7282), (3432, 6289), (3641, 5928), (3972, 5434), (4303, 5016)]