20211819985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{829}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 29030929920

約数和(自身を除く): 8819109935

約数列:

[1, 5, 7, 35, 37, 67, 185, 259, 281, 335, 469, 829, 1295, 1405, 1967, 2345, 2479, 4145, 5803, 9835, 10397, 12395, 17353, 18827, 29015, 30673, 51985, 55543, 72779, 86765, 94135, 131789, 153365, 214711, 232949, 277715, 363895, 388801, 658945, 696599, 1073555, 1164745, 1630643, 1944005, 2055091, 3482995, 4876193, 8153215, 8619113, 10275455, 14385637, 15607583, 24380965, 43095565, 60333791, 71928185, 78037915, 109253081, 301668955, 546265405, 577480571, 2887402855, 4042363997, 20211819985]

約数ペア:

[(1, 20211819985), (5, 4042363997), (7, 2887402855), (35, 577480571), (37, 546265405), (67, 301668955), (185, 109253081), (259, 78037915), (281, 71928185), (335, 60333791), (469, 43095565), (829, 24380965), (1295, 15607583), (1405, 14385637), (1967, 10275455), (2345, 8619113), (2479, 8153215), (4145, 4876193), (5803, 3482995), (9835, 2055091), (10397, 1944005), (12395, 1630643), (17353, 1164745), (18827, 1073555), (29015, 696599), (30673, 658945), (51985, 388801), (55543, 363895), (72779, 277715), (86765, 232949), (94135, 214711), (131789, 153365)]