21291255864

素因数分解:

$2^3\times 3^3\times {\mathrm{2609}}^1\times {\mathrm{37781}}^1$

素因数の和:40405

約数の個数: 64

約数和(自身を含む): 59166612000

約数和(自身を除く): 37875356136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 2609, 5218, 7827, 10436, 15654, 20872, 23481, 31308, 37781, 46962, 62616, 70443, 75562, 93924, 113343, 140886, 151124, 187848, 226686, 281772, 302248, 340029, 453372, 563544, 680058, 906744, 1020087, 1360116, 2040174, 2720232, 4080348, 8160696, 98570629, 197141258, 295711887, 394282516, 591423774, 788565032, 887135661, 1182847548, 1774271322, 2365695096, 2661406983, 3548542644, 5322813966, 7097085288, 10645627932, 21291255864]

約数ペア:

[(1, 21291255864), (2, 10645627932), (3, 7097085288), (4, 5322813966), (6, 3548542644), (8, 2661406983), (9, 2365695096), (12, 1774271322), (18, 1182847548), (24, 887135661), (27, 788565032), (36, 591423774), (54, 394282516), (72, 295711887), (108, 197141258), (216, 98570629), (2609, 8160696), (5218, 4080348), (7827, 2720232), (10436, 2040174), (15654, 1360116), (20872, 1020087), (23481, 906744), (31308, 680058), (37781, 563544), (46962, 453372), (62616, 340029), (70443, 302248), (75562, 281772), (93924, 226686), (113343, 187848), (140886, 151124)]