21591840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44983}}^1$

素因数の和:45001

約数の個数: 48

約数和(自身を含む): 68015808

約数和(自身を除く): 46423968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44983, 89966, 134949, 179932, 224915, 269898, 359864, 449830, 539796, 674745, 719728, 899660, 1079592, 1349490, 1439456, 1799320, 2159184, 2698980, 3598640, 4318368, 5397960, 7197280, 10795920, 21591840]

約数ペア:

[(1, 21591840), (2, 10795920), (3, 7197280), (4, 5397960), (5, 4318368), (6, 3598640), (8, 2698980), (10, 2159184), (12, 1799320), (15, 1439456), (16, 1349490), (20, 1079592), (24, 899660), (30, 719728), (32, 674745), (40, 539796), (48, 449830), (60, 359864), (80, 269898), (96, 224915), (120, 179932), (160, 134949), (240, 89966), (480, 44983)]