21731820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1733}}^1$

素因数の和:1775

約数の個数: 96

約数和(自身を含む): 69914880

約数和(自身を除く): 48183060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1733, 2090, 2508, 3135, 3466, 4180, 5199, 6270, 6932, 8665, 10398, 12540, 17330, 19063, 20796, 25995, 32927, 34660, 38126, 51990, 57189, 65854, 76252, 95315, 98781, 103980, 114378, 131708, 164635, 190630, 197562, 228756, 285945, 329270, 362197, 381260, 395124, 493905, 571890, 658540, 724394, 987810, 1086591, 1143780, 1448788, 1810985, 1975620, 2173182, 3621970, 4346364, 5432955, 7243940, 10865910, 21731820]

約数ペア:

[(1, 21731820), (2, 10865910), (3, 7243940), (4, 5432955), (5, 4346364), (6, 3621970), (10, 2173182), (11, 1975620), (12, 1810985), (15, 1448788), (19, 1143780), (20, 1086591), (22, 987810), (30, 724394), (33, 658540), (38, 571890), (44, 493905), (55, 395124), (57, 381260), (60, 362197), (66, 329270), (76, 285945), (95, 228756), (110, 197562), (114, 190630), (132, 164635), (165, 131708), (190, 114378), (209, 103980), (220, 98781), (228, 95315), (285, 76252), (330, 65854), (380, 57189), (418, 51990), (570, 38126), (627, 34660), (660, 32927), (836, 25995), (1045, 20796), (1140, 19063), (1254, 17330), (1733, 12540), (2090, 10398), (2508, 8665), (3135, 6932), (3466, 6270), (4180, 5199)]