21928176

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 65286000

約数和(自身を除く): 43357824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 59, 72, 87, 89, 116, 118, 144, 174, 177, 178, 232, 236, 261, 267, 348, 354, 356, 464, 472, 522, 531, 534, 696, 708, 712, 801, 944, 1044, 1062, 1068, 1392, 1416, 1424, 1602, 1711, 2088, 2124, 2136, 2581, 2832, 3204, 3422, 4176, 4248, 4272, 5133, 5162, 5251, 6408, 6844, 7743, 8496, 10266, 10324, 10502, 12816, 13688, 15399, 15486, 15753, 20532, 20648, 21004, 23229, 27376, 30798, 30972, 31506, 41064, 41296, 42008, 46458, 47259, 61596, 61944, 63012, 82128, 84016, 92916, 94518, 123192, 123888, 126024, 152279, 185832, 189036, 246384, 252048, 304558, 371664, 378072, 456837, 609116, 756144, 913674, 1218232, 1370511, 1827348, 2436464, 2741022, 3654696, 5482044, 7309392, 10964088, 21928176]

約数ペア:

[(1, 21928176), (2, 10964088), (3, 7309392), (4, 5482044), (6, 3654696), (8, 2741022), (9, 2436464), (12, 1827348), (16, 1370511), (18, 1218232), (24, 913674), (29, 756144), (36, 609116), (48, 456837), (58, 378072), (59, 371664), (72, 304558), (87, 252048), (89, 246384), (116, 189036), (118, 185832), (144, 152279), (174, 126024), (177, 123888), (178, 123192), (232, 94518), (236, 92916), (261, 84016), (267, 82128), (348, 63012), (354, 61944), (356, 61596), (464, 47259), (472, 46458), (522, 42008), (531, 41296), (534, 41064), (696, 31506), (708, 30972), (712, 30798), (801, 27376), (944, 23229), (1044, 21004), (1062, 20648), (1068, 20532), (1392, 15753), (1416, 15486), (1424, 15399), (1602, 13688), (1711, 12816), (2088, 10502), (2124, 10324), (2136, 10266), (2581, 8496), (2832, 7743), (3204, 6844), (3422, 6408), (4176, 5251), (4248, 5162), (4272, 5133)]