21683940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 66769920

約数和(自身を除く): 45085980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 827, 874, 1140, 1311, 1380, 1654, 1748, 2185, 2481, 2622, 3308, 4135, 4370, 4962, 5244, 6555, 8270, 8740, 9924, 12405, 13110, 15713, 16540, 19021, 24810, 26220, 31426, 38042, 47139, 49620, 57063, 62852, 76084, 78565, 94278, 95105, 114126, 157130, 188556, 190210, 228252, 235695, 285315, 314260, 361399, 380420, 471390, 570630, 722798, 942780, 1084197, 1141260, 1445596, 1806995, 2168394, 3613990, 4336788, 5420985, 7227980, 10841970, 21683940]

約数ペア:

[(1, 21683940), (2, 10841970), (3, 7227980), (4, 5420985), (5, 4336788), (6, 3613990), (10, 2168394), (12, 1806995), (15, 1445596), (19, 1141260), (20, 1084197), (23, 942780), (30, 722798), (38, 570630), (46, 471390), (57, 380420), (60, 361399), (69, 314260), (76, 285315), (92, 235695), (95, 228252), (114, 190210), (115, 188556), (138, 157130), (190, 114126), (228, 95105), (230, 94278), (276, 78565), (285, 76084), (345, 62852), (380, 57063), (437, 49620), (460, 47139), (570, 38042), (690, 31426), (827, 26220), (874, 24810), (1140, 19021), (1311, 16540), (1380, 15713), (1654, 13110), (1748, 12405), (2185, 9924), (2481, 8740), (2622, 8270), (3308, 6555), (4135, 5244), (4370, 4962)]