21596800

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 56631420

約数和(自身を除く): 35034620

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 272, 320, 340, 397, 400, 425, 544, 640, 680, 794, 800, 850, 1088, 1360, 1588, 1600, 1700, 1985, 2176, 2720, 3176, 3200, 3400, 3970, 5440, 6352, 6749, 6800, 7940, 9925, 10880, 12704, 13498, 13600, 15880, 19850, 25408, 26996, 27200, 31760, 33745, 39700, 50816, 53992, 54400, 63520, 67490, 79400, 107984, 127040, 134980, 158800, 168725, 215968, 254080, 269960, 317600, 337450, 431936, 539920, 635200, 674900, 863872, 1079840, 1270400, 1349800, 2159680, 2699600, 4319360, 5399200, 10798400, 21596800]

約数ペア:

[(1, 21596800), (2, 10798400), (4, 5399200), (5, 4319360), (8, 2699600), (10, 2159680), (16, 1349800), (17, 1270400), (20, 1079840), (25, 863872), (32, 674900), (34, 635200), (40, 539920), (50, 431936), (64, 337450), (68, 317600), (80, 269960), (85, 254080), (100, 215968), (128, 168725), (136, 158800), (160, 134980), (170, 127040), (200, 107984), (272, 79400), (320, 67490), (340, 63520), (397, 54400), (400, 53992), (425, 50816), (544, 39700), (640, 33745), (680, 31760), (794, 27200), (800, 26996), (850, 25408), (1088, 19850), (1360, 15880), (1588, 13600), (1600, 13498), (1700, 12704), (1985, 10880), (2176, 9925), (2720, 7940), (3176, 6800), (3200, 6749), (3400, 6352), (3970, 5440)]