21050602972

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1\times {\mathrm{13411}}^1$

素因数の和:14402

約数の個数: 48

約数和(自身を含む): 42841146880

約数和(自身を除く): 21790543908

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 919, 1708, 1838, 3676, 6433, 12866, 13411, 25732, 26822, 53644, 56059, 93877, 112118, 187754, 224236, 375508, 392413, 784826, 818071, 1569652, 1636142, 3272284, 5726497, 11452994, 12324709, 22905988, 24649418, 49298836, 86272963, 172545926, 345091852, 751807249, 1503614498, 3007228996, 5262650743, 10525301486, 21050602972]

約数ペア:

[(1, 21050602972), (2, 10525301486), (4, 5262650743), (7, 3007228996), (14, 1503614498), (28, 751807249), (61, 345091852), (122, 172545926), (244, 86272963), (427, 49298836), (854, 24649418), (919, 22905988), (1708, 12324709), (1838, 11452994), (3676, 5726497), (6433, 3272284), (12866, 1636142), (13411, 1569652), (25732, 818071), (26822, 784826), (53644, 392413), (56059, 375508), (93877, 224236), (112118, 187754)]