21184420860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{26633}}^1$

素因数の和:27145

約数の個数: 120

約数和(自身を含む): 66594162096

約数和(自身を除く): 45409741236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 491, 540, 810, 982, 1473, 1620, 1964, 2455, 2946, 4419, 4910, 5892, 7365, 8838, 9820, 13257, 14730, 17676, 22095, 26514, 26633, 29460, 39771, 44190, 53028, 53266, 66285, 79542, 79899, 88380, 106532, 132570, 133165, 159084, 159798, 198855, 239697, 265140, 266330, 319596, 397710, 399495, 479394, 532660, 719091, 795420, 798990, 958788, 1198485, 1438182, 1597980, 2157273, 2396970, 2876364, 3595455, 4314546, 4793940, 7190910, 8629092, 10786365, 13076803, 14381820, 21572730, 26153606, 39230409, 43145460, 52307212, 65384015, 78460818, 117691227, 130768030, 156921636, 196152045, 235382454, 261536060, 353073681, 392304090, 470764908, 588456135, 706147362, 784608180, 1059221043, 1176912270, 1412294724, 1765368405, 2118442086, 2353824540, 3530736810, 4236884172, 5296105215, 7061473620, 10592210430, 21184420860]

約数ペア:

[(1, 21184420860), (2, 10592210430), (3, 7061473620), (4, 5296105215), (5, 4236884172), (6, 3530736810), (9, 2353824540), (10, 2118442086), (12, 1765368405), (15, 1412294724), (18, 1176912270), (20, 1059221043), (27, 784608180), (30, 706147362), (36, 588456135), (45, 470764908), (54, 392304090), (60, 353073681), (81, 261536060), (90, 235382454), (108, 196152045), (135, 156921636), (162, 130768030), (180, 117691227), (270, 78460818), (324, 65384015), (405, 52307212), (491, 43145460), (540, 39230409), (810, 26153606), (982, 21572730), (1473, 14381820), (1620, 13076803), (1964, 10786365), (2455, 8629092), (2946, 7190910), (4419, 4793940), (4910, 4314546), (5892, 3595455), (7365, 2876364), (8838, 2396970), (9820, 2157273), (13257, 1597980), (14730, 1438182), (17676, 1198485), (22095, 958788), (26514, 798990), (26633, 795420), (29460, 719091), (39771, 532660), (44190, 479394), (53028, 399495), (53266, 397710), (66285, 319596), (79542, 266330), (79899, 265140), (88380, 239697), (106532, 198855), (132570, 159798), (133165, 159084)]