21463387088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{493729}}^1$

素因数の和:493780

約数の個数: 80

約数和(自身を含む): 51426916800

約数和(自身を除く): 29963529712

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2288, 2717, 3344, 3952, 5434, 10868, 21736, 43472, 493729, 987458, 1974916, 3949832, 5431019, 6418477, 7899664, 9380851, 10862038, 12836954, 18761702, 21724076, 25673908, 37523404, 43448152, 51347816, 70603247, 75046808, 86896304, 102695632, 103189361, 121951063, 141206494, 150093616, 206378722, 243902126, 282412988, 412757444, 487804252, 564825976, 825514888, 975608504, 1129651952, 1341461693, 1651029776, 1951217008, 2682923386, 5365846772, 10731693544, 21463387088]

約数ペア:

[(1, 21463387088), (2, 10731693544), (4, 5365846772), (8, 2682923386), (11, 1951217008), (13, 1651029776), (16, 1341461693), (19, 1129651952), (22, 975608504), (26, 825514888), (38, 564825976), (44, 487804252), (52, 412757444), (76, 282412988), (88, 243902126), (104, 206378722), (143, 150093616), (152, 141206494), (176, 121951063), (208, 103189361), (209, 102695632), (247, 86896304), (286, 75046808), (304, 70603247), (418, 51347816), (494, 43448152), (572, 37523404), (836, 25673908), (988, 21724076), (1144, 18761702), (1672, 12836954), (1976, 10862038), (2288, 9380851), (2717, 7899664), (3344, 6418477), (3952, 5431019), (5434, 3949832), (10868, 1974916), (21736, 987458), (43472, 493729)]