21529920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 112

約数和(自身を含む): 70152768

約数和(自身を除く): 48622848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 480, 492, 547, 615, 656, 820, 960, 984, 1094, 1230, 1312, 1640, 1641, 1968, 2188, 2460, 2624, 2735, 3280, 3282, 3936, 4376, 4920, 5470, 6560, 6564, 7872, 8205, 8752, 9840, 10940, 13120, 13128, 16410, 17504, 19680, 21880, 22427, 26256, 32820, 35008, 39360, 43760, 44854, 52512, 65640, 67281, 87520, 89708, 105024, 112135, 131280, 134562, 175040, 179416, 224270, 262560, 269124, 336405, 358832, 448540, 525120, 538248, 672810, 717664, 897080, 1076496, 1345620, 1435328, 1794160, 2152992, 2691240, 3588320, 4305984, 5382480, 7176640, 10764960, 21529920]

約数ペア:

[(1, 21529920), (2, 10764960), (3, 7176640), (4, 5382480), (5, 4305984), (6, 3588320), (8, 2691240), (10, 2152992), (12, 1794160), (15, 1435328), (16, 1345620), (20, 1076496), (24, 897080), (30, 717664), (32, 672810), (40, 538248), (41, 525120), (48, 448540), (60, 358832), (64, 336405), (80, 269124), (82, 262560), (96, 224270), (120, 179416), (123, 175040), (160, 134562), (164, 131280), (192, 112135), (205, 105024), (240, 89708), (246, 87520), (320, 67281), (328, 65640), (410, 52512), (480, 44854), (492, 43760), (547, 39360), (615, 35008), (656, 32820), (820, 26256), (960, 22427), (984, 21880), (1094, 19680), (1230, 17504), (1312, 16410), (1640, 13128), (1641, 13120), (1968, 10940), (2188, 9840), (2460, 8752), (2624, 8205), (2735, 7872), (3280, 6564), (3282, 6560), (3936, 5470), (4376, 4920)]