21741480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 74390400

約数和(自身を除く): 52648920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 491, 492, 540, 615, 738, 820, 982, 984, 1080, 1107, 1230, 1473, 1476, 1640, 1845, 1964, 2214, 2455, 2460, 2946, 2952, 3690, 3928, 4419, 4428, 4910, 4920, 5535, 5892, 7365, 7380, 8838, 8856, 9820, 11070, 11784, 13257, 14730, 14760, 17676, 19640, 20131, 22095, 22140, 26514, 29460, 35352, 40262, 44190, 44280, 53028, 58920, 60393, 66285, 80524, 88380, 100655, 106056, 120786, 132570, 161048, 176760, 181179, 201310, 241572, 265140, 301965, 362358, 402620, 483144, 530280, 543537, 603930, 724716, 805240, 905895, 1087074, 1207860, 1449432, 1811790, 2174148, 2415720, 2717685, 3623580, 4348296, 5435370, 7247160, 10870740, 21741480]

約数ペア:

[(1, 21741480), (2, 10870740), (3, 7247160), (4, 5435370), (5, 4348296), (6, 3623580), (8, 2717685), (9, 2415720), (10, 2174148), (12, 1811790), (15, 1449432), (18, 1207860), (20, 1087074), (24, 905895), (27, 805240), (30, 724716), (36, 603930), (40, 543537), (41, 530280), (45, 483144), (54, 402620), (60, 362358), (72, 301965), (82, 265140), (90, 241572), (108, 201310), (120, 181179), (123, 176760), (135, 161048), (164, 132570), (180, 120786), (205, 106056), (216, 100655), (246, 88380), (270, 80524), (328, 66285), (360, 60393), (369, 58920), (410, 53028), (491, 44280), (492, 44190), (540, 40262), (615, 35352), (738, 29460), (820, 26514), (982, 22140), (984, 22095), (1080, 20131), (1107, 19640), (1230, 17676), (1473, 14760), (1476, 14730), (1640, 13257), (1845, 11784), (1964, 11070), (2214, 9820), (2455, 8856), (2460, 8838), (2946, 7380), (2952, 7365), (3690, 5892), (3928, 5535), (4419, 4920), (4428, 4910)]