21737976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 62087760

約数和(自身を除く): 40349784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 193, 228, 247, 312, 361, 386, 456, 494, 579, 722, 741, 772, 988, 1083, 1158, 1444, 1482, 1544, 1976, 2166, 2316, 2509, 2888, 2964, 3667, 4332, 4632, 4693, 5018, 5928, 7334, 7527, 8664, 9386, 10036, 11001, 14079, 14668, 15054, 18772, 20072, 22002, 28158, 29336, 30108, 37544, 44004, 47671, 56316, 60216, 69673, 88008, 95342, 112632, 139346, 143013, 190684, 209019, 278692, 286026, 381368, 418038, 557384, 572052, 836076, 905749, 1144104, 1672152, 1811498, 2717247, 3622996, 5434494, 7245992, 10868988, 21737976]

約数ペア:

[(1, 21737976), (2, 10868988), (3, 7245992), (4, 5434494), (6, 3622996), (8, 2717247), (12, 1811498), (13, 1672152), (19, 1144104), (24, 905749), (26, 836076), (38, 572052), (39, 557384), (52, 418038), (57, 381368), (76, 286026), (78, 278692), (104, 209019), (114, 190684), (152, 143013), (156, 139346), (193, 112632), (228, 95342), (247, 88008), (312, 69673), (361, 60216), (386, 56316), (456, 47671), (494, 44004), (579, 37544), (722, 30108), (741, 29336), (772, 28158), (988, 22002), (1083, 20072), (1158, 18772), (1444, 15054), (1482, 14668), (1544, 14079), (1976, 11001), (2166, 10036), (2316, 9386), (2509, 8664), (2888, 7527), (2964, 7334), (3667, 5928), (4332, 5018), (4632, 4693)]