21986021912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{456293}}^1$

素因数の和:456635

約数の個数: 32

約数和(自身を含む): 43530447600

約数和(自身を除く): 21544425688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 634, 1268, 2536, 6023, 12046, 24092, 48184, 456293, 912586, 1825172, 3650344, 8669567, 17339134, 34678268, 69356536, 144644881, 289289762, 578579524, 1157159048, 2748252739, 5496505478, 10993010956, 21986021912]

約数ペア:

[(1, 21986021912), (2, 10993010956), (4, 5496505478), (8, 2748252739), (19, 1157159048), (38, 578579524), (76, 289289762), (152, 144644881), (317, 69356536), (634, 34678268), (1268, 17339134), (2536, 8669567), (6023, 3650344), (12046, 1825172), (24092, 912586), (48184, 456293)]