21650880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1226

約数の個数: 112

約数和(自身を含む): 72420480

約数和(自身を除く): 50769600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1187, 1216, 1520, 1824, 2280, 2374, 3040, 3561, 3648, 4560, 4748, 5935, 6080, 7122, 9120, 9496, 11870, 14244, 17805, 18240, 18992, 22553, 23740, 28488, 35610, 37984, 45106, 47480, 56976, 67659, 71220, 75968, 90212, 94960, 112765, 113952, 135318, 142440, 180424, 189920, 225530, 227904, 270636, 284880, 338295, 360848, 379840, 451060, 541272, 569760, 676590, 721696, 902120, 1082544, 1139520, 1353180, 1443392, 1804240, 2165088, 2706360, 3608480, 4330176, 5412720, 7216960, 10825440, 21650880]

約数ペア:

[(1, 21650880), (2, 10825440), (3, 7216960), (4, 5412720), (5, 4330176), (6, 3608480), (8, 2706360), (10, 2165088), (12, 1804240), (15, 1443392), (16, 1353180), (19, 1139520), (20, 1082544), (24, 902120), (30, 721696), (32, 676590), (38, 569760), (40, 541272), (48, 451060), (57, 379840), (60, 360848), (64, 338295), (76, 284880), (80, 270636), (95, 227904), (96, 225530), (114, 189920), (120, 180424), (152, 142440), (160, 135318), (190, 113952), (192, 112765), (228, 94960), (240, 90212), (285, 75968), (304, 71220), (320, 67659), (380, 56976), (456, 47480), (480, 45106), (570, 37984), (608, 35610), (760, 28488), (912, 23740), (960, 22553), (1140, 18992), (1187, 18240), (1216, 17805), (1520, 14244), (1824, 11870), (2280, 9496), (2374, 9120), (3040, 7122), (3561, 6080), (3648, 5935), (4560, 4748)]