21666035808

素因数分解:

$2^5\times 3^2\times {\mathrm{83}}^1\times {\mathrm{906377}}^1$

素因数の和:906476

約数の個数: 72

約数和(自身を含む): 62355180888

約数和(自身を除く): 40689145080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 83, 96, 144, 166, 249, 288, 332, 498, 664, 747, 996, 1328, 1494, 1992, 2656, 2988, 3984, 5976, 7968, 11952, 23904, 906377, 1812754, 2719131, 3625508, 5438262, 7251016, 8157393, 10876524, 14502032, 16314786, 21753048, 29004064, 32629572, 43506096, 65259144, 75229291, 87012192, 130518288, 150458582, 225687873, 261036576, 300917164, 451375746, 601834328, 677063619, 902751492, 1203668656, 1354127238, 1805502984, 2407337312, 2708254476, 3611005968, 5416508952, 7222011936, 10833017904, 21666035808]

約数ペア:

[(1, 21666035808), (2, 10833017904), (3, 7222011936), (4, 5416508952), (6, 3611005968), (8, 2708254476), (9, 2407337312), (12, 1805502984), (16, 1354127238), (18, 1203668656), (24, 902751492), (32, 677063619), (36, 601834328), (48, 451375746), (72, 300917164), (83, 261036576), (96, 225687873), (144, 150458582), (166, 130518288), (249, 87012192), (288, 75229291), (332, 65259144), (498, 43506096), (664, 32629572), (747, 29004064), (996, 21753048), (1328, 16314786), (1494, 14502032), (1992, 10876524), (2656, 8157393), (2988, 7251016), (3984, 5438262), (5976, 3625508), (7968, 2719131), (11952, 1812754), (23904, 906377)]