21972360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 50603640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 419, 437, 456, 460, 552, 570, 690, 760, 838, 874, 920, 1140, 1257, 1311, 1380, 1676, 1748, 2095, 2185, 2280, 2514, 2622, 2760, 3352, 3496, 4190, 4370, 5028, 5244, 6285, 6555, 7961, 8380, 8740, 9637, 10056, 10488, 12570, 13110, 15922, 16760, 17480, 19274, 23883, 25140, 26220, 28911, 31844, 38548, 39805, 47766, 48185, 50280, 52440, 57822, 63688, 77096, 79610, 95532, 96370, 115644, 119415, 144555, 159220, 183103, 191064, 192740, 231288, 238830, 289110, 318440, 366206, 385480, 477660, 549309, 578220, 732412, 915515, 955320, 1098618, 1156440, 1464824, 1831030, 2197236, 2746545, 3662060, 4394472, 5493090, 7324120, 10986180, 21972360]

約数ペア:

[(1, 21972360), (2, 10986180), (3, 7324120), (4, 5493090), (5, 4394472), (6, 3662060), (8, 2746545), (10, 2197236), (12, 1831030), (15, 1464824), (19, 1156440), (20, 1098618), (23, 955320), (24, 915515), (30, 732412), (38, 578220), (40, 549309), (46, 477660), (57, 385480), (60, 366206), (69, 318440), (76, 289110), (92, 238830), (95, 231288), (114, 192740), (115, 191064), (120, 183103), (138, 159220), (152, 144555), (184, 119415), (190, 115644), (228, 96370), (230, 95532), (276, 79610), (285, 77096), (345, 63688), (380, 57822), (419, 52440), (437, 50280), (456, 48185), (460, 47766), (552, 39805), (570, 38548), (690, 31844), (760, 28911), (838, 26220), (874, 25140), (920, 23883), (1140, 19274), (1257, 17480), (1311, 16760), (1380, 15922), (1676, 13110), (1748, 12570), (2095, 10488), (2185, 10056), (2280, 9637), (2514, 8740), (2622, 8380), (2760, 7961), (3352, 6555), (3496, 6285), (4190, 5244), (4370, 5028)]