21714660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 108

約数和(自身を含む): 72472764

約数和(自身を除く): 50758104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 997, 1089, 1210, 1452, 1815, 1980, 1994, 2178, 2420, 2991, 3630, 3988, 4356, 4985, 5445, 5982, 7260, 8973, 9970, 10890, 10967, 11964, 14955, 17946, 19940, 21780, 21934, 29910, 32901, 35892, 43868, 44865, 54835, 59820, 65802, 89730, 98703, 109670, 120637, 131604, 164505, 179460, 197406, 219340, 241274, 329010, 361911, 394812, 482548, 493515, 603185, 658020, 723822, 987030, 1085733, 1206370, 1447644, 1809555, 1974060, 2171466, 2412740, 3619110, 4342932, 5428665, 7238220, 10857330, 21714660]

約数ペア:

[(1, 21714660), (2, 10857330), (3, 7238220), (4, 5428665), (5, 4342932), (6, 3619110), (9, 2412740), (10, 2171466), (11, 1974060), (12, 1809555), (15, 1447644), (18, 1206370), (20, 1085733), (22, 987030), (30, 723822), (33, 658020), (36, 603185), (44, 493515), (45, 482548), (55, 394812), (60, 361911), (66, 329010), (90, 241274), (99, 219340), (110, 197406), (121, 179460), (132, 164505), (165, 131604), (180, 120637), (198, 109670), (220, 98703), (242, 89730), (330, 65802), (363, 59820), (396, 54835), (484, 44865), (495, 43868), (605, 35892), (660, 32901), (726, 29910), (990, 21934), (997, 21780), (1089, 19940), (1210, 17946), (1452, 14955), (1815, 11964), (1980, 10967), (1994, 10890), (2178, 9970), (2420, 8973), (2991, 7260), (3630, 5982), (3988, 5445), (4356, 4985)]