21366720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2473}}^1$

素因数の和:2499

約数の個数: 112

約数和(自身を含む): 75407520

約数和(自身を除く): 54040800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2473, 2880, 4320, 4946, 7419, 8640, 9892, 12365, 14838, 19784, 22257, 24730, 29676, 37095, 39568, 44514, 49460, 59352, 66771, 74190, 79136, 89028, 98920, 111285, 118704, 133542, 148380, 158272, 178056, 197840, 222570, 237408, 267084, 296760, 333855, 356112, 395680, 445140, 474816, 534168, 593520, 667710, 712224, 791360, 890280, 1068336, 1187040, 1335420, 1424448, 1780560, 2136672, 2374080, 2670840, 3561120, 4273344, 5341680, 7122240, 10683360, 21366720]

約数ペア:

[(1, 21366720), (2, 10683360), (3, 7122240), (4, 5341680), (5, 4273344), (6, 3561120), (8, 2670840), (9, 2374080), (10, 2136672), (12, 1780560), (15, 1424448), (16, 1335420), (18, 1187040), (20, 1068336), (24, 890280), (27, 791360), (30, 712224), (32, 667710), (36, 593520), (40, 534168), (45, 474816), (48, 445140), (54, 395680), (60, 356112), (64, 333855), (72, 296760), (80, 267084), (90, 237408), (96, 222570), (108, 197840), (120, 178056), (135, 158272), (144, 148380), (160, 133542), (180, 118704), (192, 111285), (216, 98920), (240, 89028), (270, 79136), (288, 74190), (320, 66771), (360, 59352), (432, 49460), (480, 44514), (540, 39568), (576, 37095), (720, 29676), (864, 24730), (960, 22257), (1080, 19784), (1440, 14838), (1728, 12365), (2160, 9892), (2473, 8640), (2880, 7419), (4320, 4946)]