21523860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1733}}^1$

素因数の和:1774

約数の個数: 96

約数和(自身を含む): 69914880

約数和(自身を除く): 48391020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1733, 2070, 2484, 3105, 3466, 4140, 5199, 6210, 6932, 8665, 10398, 12420, 15597, 17330, 20796, 25995, 31194, 34660, 39859, 46791, 51990, 62388, 77985, 79718, 93582, 103980, 119577, 155970, 159436, 187164, 199295, 233955, 239154, 311940, 358731, 398590, 467910, 478308, 597885, 717462, 797180, 935820, 1076193, 1195770, 1434924, 1793655, 2152386, 2391540, 3587310, 4304772, 5380965, 7174620, 10761930, 21523860]

約数ペア:

[(1, 21523860), (2, 10761930), (3, 7174620), (4, 5380965), (5, 4304772), (6, 3587310), (9, 2391540), (10, 2152386), (12, 1793655), (15, 1434924), (18, 1195770), (20, 1076193), (23, 935820), (27, 797180), (30, 717462), (36, 597885), (45, 478308), (46, 467910), (54, 398590), (60, 358731), (69, 311940), (90, 239154), (92, 233955), (108, 199295), (115, 187164), (135, 159436), (138, 155970), (180, 119577), (207, 103980), (230, 93582), (270, 79718), (276, 77985), (345, 62388), (414, 51990), (460, 46791), (540, 39859), (621, 34660), (690, 31194), (828, 25995), (1035, 20796), (1242, 17330), (1380, 15597), (1733, 12420), (2070, 10398), (2484, 8665), (3105, 6932), (3466, 6210), (4140, 5199)]