21711960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1529

約数の個数: 96

約数和(自身を含む): 72334080

約数和(自身を除く): 50622120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1471, 1476, 1640, 1845, 2460, 2942, 2952, 3690, 4413, 4920, 5884, 7355, 7380, 8826, 11768, 13239, 14710, 14760, 17652, 22065, 26478, 29420, 35304, 44130, 52956, 58840, 60311, 66195, 88260, 105912, 120622, 132390, 176520, 180933, 241244, 264780, 301555, 361866, 482488, 529560, 542799, 603110, 723732, 904665, 1085598, 1206220, 1447464, 1809330, 2171196, 2412440, 2713995, 3618660, 4342392, 5427990, 7237320, 10855980, 21711960]

約数ペア:

[(1, 21711960), (2, 10855980), (3, 7237320), (4, 5427990), (5, 4342392), (6, 3618660), (8, 2713995), (9, 2412440), (10, 2171196), (12, 1809330), (15, 1447464), (18, 1206220), (20, 1085598), (24, 904665), (30, 723732), (36, 603110), (40, 542799), (41, 529560), (45, 482488), (60, 361866), (72, 301555), (82, 264780), (90, 241244), (120, 180933), (123, 176520), (164, 132390), (180, 120622), (205, 105912), (246, 88260), (328, 66195), (360, 60311), (369, 58840), (410, 52956), (492, 44130), (615, 35304), (738, 29420), (820, 26478), (984, 22065), (1230, 17652), (1471, 14760), (1476, 14710), (1640, 13239), (1845, 11768), (2460, 8826), (2942, 7380), (2952, 7355), (3690, 5884), (4413, 4920)]