21000866832

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1471}}^1\times {\mathrm{9013}}^1$

素因数の和:10509

約数の個数: 120

約数和(自身を含む): 64166988288

約数和(自身を除く): 43166121456

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1471, 1584, 2942, 4413, 5884, 8826, 9013, 11768, 13239, 16181, 17652, 18026, 23536, 26478, 27039, 32362, 35304, 36052, 48543, 52956, 54078, 64724, 70608, 72104, 81117, 97086, 99143, 105912, 108156, 129448, 144208, 145629, 162234, 194172, 198286, 211824, 216312, 258896, 291258, 297429, 324468, 388344, 396572, 432624, 582516, 594858, 648936, 776688, 793144, 892287, 1165032, 1189716, 1297872, 1586288, 1784574, 2330064, 2379432, 3569148, 4758864, 7138296, 13258123, 14276592, 26516246, 39774369, 53032492, 79548738, 106064984, 119323107, 145839353, 159097476, 212129968, 238646214, 291678706, 318194952, 437518059, 477292428, 583357412, 636389904, 875036118, 954584856, 1166714824, 1312554177, 1750072236, 1909169712, 2333429648, 2625108354, 3500144472, 5250216708, 7000288944, 10500433416, 21000866832]

約数ペア:

[(1, 21000866832), (2, 10500433416), (3, 7000288944), (4, 5250216708), (6, 3500144472), (8, 2625108354), (9, 2333429648), (11, 1909169712), (12, 1750072236), (16, 1312554177), (18, 1166714824), (22, 954584856), (24, 875036118), (33, 636389904), (36, 583357412), (44, 477292428), (48, 437518059), (66, 318194952), (72, 291678706), (88, 238646214), (99, 212129968), (132, 159097476), (144, 145839353), (176, 119323107), (198, 106064984), (264, 79548738), (396, 53032492), (528, 39774369), (792, 26516246), (1471, 14276592), (1584, 13258123), (2942, 7138296), (4413, 4758864), (5884, 3569148), (8826, 2379432), (9013, 2330064), (11768, 1784574), (13239, 1586288), (16181, 1297872), (17652, 1189716), (18026, 1165032), (23536, 892287), (26478, 793144), (27039, 776688), (32362, 648936), (35304, 594858), (36052, 582516), (48543, 432624), (52956, 396572), (54078, 388344), (64724, 324468), (70608, 297429), (72104, 291258), (81117, 258896), (97086, 216312), (99143, 211824), (105912, 198286), (108156, 194172), (129448, 162234), (144208, 145629)]