21546720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1185

約数の個数: 144

約数和(自身を含む): 79252992

約数和(自身を除く): 57706272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1151, 1170, 1248, 1440, 1560, 1872, 2080, 2302, 2340, 3120, 3453, 3744, 4604, 4680, 5755, 6240, 6906, 9208, 9360, 10359, 11510, 13812, 14963, 17265, 18416, 18720, 20718, 23020, 27624, 29926, 34530, 36832, 41436, 44889, 46040, 51795, 55248, 59852, 69060, 74815, 82872, 89778, 92080, 103590, 110496, 119704, 134667, 138120, 149630, 165744, 179556, 184160, 207180, 224445, 239408, 269334, 276240, 299260, 331488, 359112, 414360, 448890, 478816, 538668, 552480, 598520, 673335, 718224, 828720, 897780, 1077336, 1197040, 1346670, 1436448, 1657440, 1795560, 2154672, 2394080, 2693340, 3591120, 4309344, 5386680, 7182240, 10773360, 21546720]

約数ペア:

[(1, 21546720), (2, 10773360), (3, 7182240), (4, 5386680), (5, 4309344), (6, 3591120), (8, 2693340), (9, 2394080), (10, 2154672), (12, 1795560), (13, 1657440), (15, 1436448), (16, 1346670), (18, 1197040), (20, 1077336), (24, 897780), (26, 828720), (30, 718224), (32, 673335), (36, 598520), (39, 552480), (40, 538668), (45, 478816), (48, 448890), (52, 414360), (60, 359112), (65, 331488), (72, 299260), (78, 276240), (80, 269334), (90, 239408), (96, 224445), (104, 207180), (117, 184160), (120, 179556), (130, 165744), (144, 149630), (156, 138120), (160, 134667), (180, 119704), (195, 110496), (208, 103590), (234, 92080), (240, 89778), (260, 82872), (288, 74815), (312, 69060), (360, 59852), (390, 55248), (416, 51795), (468, 46040), (480, 44889), (520, 41436), (585, 36832), (624, 34530), (720, 29926), (780, 27624), (936, 23020), (1040, 20718), (1151, 18720), (1170, 18416), (1248, 17265), (1440, 14963), (1560, 13812), (1872, 11510), (2080, 10359), (2302, 9360), (2340, 9208), (3120, 6906), (3453, 6240), (3744, 5755), (4604, 4680)]