21247236816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{2609}}^1$

素因数の和:3085

約数の個数: 160

約数和(自身を含む): 61186083840

約数和(自身を除く): 39938847024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 421, 496, 624, 744, 806, 842, 1209, 1263, 1488, 1612, 1684, 2418, 2526, 2609, 3224, 3368, 4836, 5052, 5218, 5473, 6448, 6736, 7827, 9672, 10104, 10436, 10946, 13051, 15654, 16419, 19344, 20208, 20872, 21892, 26102, 31308, 32838, 33917, 39153, 41744, 43784, 52204, 62616, 65676, 67834, 78306, 80879, 87568, 101751, 104408, 125232, 131352, 135668, 156612, 161758, 169663, 203502, 208816, 242637, 262704, 271336, 313224, 323516, 339326, 407004, 485274, 508989, 542672, 626448, 647032, 678652, 814008, 970548, 1017978, 1051427, 1098389, 1294064, 1357304, 1628016, 1941096, 2035956, 2102854, 2196778, 2714608, 3154281, 3295167, 3882192, 4071912, 4205708, 4393556, 6308562, 6590334, 8143824, 8411416, 8787112, 12617124, 13180668, 14279057, 16822832, 17574224, 25234248, 26361336, 28558114, 34050059, 42837171, 50468496, 52722672, 57116228, 68100118, 85674342, 102150177, 114232456, 136200236, 171348684, 204300354, 228464912, 272400472, 342697368, 408600708, 442650767, 544800944, 685394736, 817201416, 885301534, 1327952301, 1634402832, 1770603068, 2655904602, 3541206136, 5311809204, 7082412272, 10623618408, 21247236816]

約数ペア:

[(1, 21247236816), (2, 10623618408), (3, 7082412272), (4, 5311809204), (6, 3541206136), (8, 2655904602), (12, 1770603068), (13, 1634402832), (16, 1327952301), (24, 885301534), (26, 817201416), (31, 685394736), (39, 544800944), (48, 442650767), (52, 408600708), (62, 342697368), (78, 272400472), (93, 228464912), (104, 204300354), (124, 171348684), (156, 136200236), (186, 114232456), (208, 102150177), (248, 85674342), (312, 68100118), (372, 57116228), (403, 52722672), (421, 50468496), (496, 42837171), (624, 34050059), (744, 28558114), (806, 26361336), (842, 25234248), (1209, 17574224), (1263, 16822832), (1488, 14279057), (1612, 13180668), (1684, 12617124), (2418, 8787112), (2526, 8411416), (2609, 8143824), (3224, 6590334), (3368, 6308562), (4836, 4393556), (5052, 4205708), (5218, 4071912), (5473, 3882192), (6448, 3295167), (6736, 3154281), (7827, 2714608), (9672, 2196778), (10104, 2102854), (10436, 2035956), (10946, 1941096), (13051, 1628016), (15654, 1357304), (16419, 1294064), (19344, 1098389), (20208, 1051427), (20872, 1017978), (21892, 970548), (26102, 814008), (31308, 678652), (32838, 647032), (33917, 626448), (39153, 542672), (41744, 508989), (43784, 485274), (52204, 407004), (62616, 339326), (65676, 323516), (67834, 313224), (78306, 271336), (80879, 262704), (87568, 242637), (101751, 208816), (104408, 203502), (125232, 169663), (131352, 161758), (135668, 156612)]