2021004456464

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{708997}}^1$

素因数の和:709864

約数の個数: 80

約数和(自身を含む): 4625071881216

約数和(自身を除く): 2604067424752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 821, 868, 1642, 1736, 3284, 3472, 5747, 6568, 11494, 13136, 22988, 25451, 45976, 50902, 91952, 101804, 178157, 203608, 356314, 407216, 708997, 712628, 1417994, 1425256, 2835988, 2850512, 4962979, 5671976, 9925958, 11343952, 19851916, 21978907, 39703832, 43957814, 79407664, 87915628, 153852349, 175831256, 307704698, 351662512, 582086537, 615409396, 1164173074, 1230818792, 2328346148, 2461637584, 4074605759, 4656692296, 8149211518, 9313384592, 16298423036, 18044682647, 32596846072, 36089365294, 65193692144, 72178730588, 126312778529, 144357461176, 252625557058, 288714922352, 505251114116, 1010502228232, 2021004456464]

約数ペア:

[(1, 2021004456464), (2, 1010502228232), (4, 505251114116), (7, 288714922352), (8, 252625557058), (14, 144357461176), (16, 126312778529), (28, 72178730588), (31, 65193692144), (56, 36089365294), (62, 32596846072), (112, 18044682647), (124, 16298423036), (217, 9313384592), (248, 8149211518), (434, 4656692296), (496, 4074605759), (821, 2461637584), (868, 2328346148), (1642, 1230818792), (1736, 1164173074), (3284, 615409396), (3472, 582086537), (5747, 351662512), (6568, 307704698), (11494, 175831256), (13136, 153852349), (22988, 87915628), (25451, 79407664), (45976, 43957814), (50902, 39703832), (91952, 21978907), (101804, 19851916), (178157, 11343952), (203608, 9925958), (356314, 5671976), (407216, 4962979), (708997, 2850512), (712628, 2835988), (1417994, 1425256)]