21102400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 126

約数和(自身を含む): 57598310

約数和(自身を除く): 36495910

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 109, 110, 121, 160, 176, 200, 218, 220, 242, 275, 320, 352, 400, 436, 440, 484, 545, 550, 605, 704, 800, 872, 880, 968, 1090, 1100, 1199, 1210, 1600, 1744, 1760, 1936, 2180, 2200, 2398, 2420, 2725, 3025, 3488, 3520, 3872, 4360, 4400, 4796, 4840, 5450, 5995, 6050, 6976, 7744, 8720, 8800, 9592, 9680, 10900, 11990, 12100, 13189, 17440, 17600, 19184, 19360, 21800, 23980, 24200, 26378, 29975, 34880, 38368, 38720, 43600, 47960, 48400, 52756, 59950, 65945, 76736, 87200, 95920, 96800, 105512, 119900, 131890, 174400, 191840, 193600, 211024, 239800, 263780, 329725, 383680, 422048, 479600, 527560, 659450, 844096, 959200, 1055120, 1318900, 1918400, 2110240, 2637800, 4220480, 5275600, 10551200, 21102400]

約数ペア:

[(1, 21102400), (2, 10551200), (4, 5275600), (5, 4220480), (8, 2637800), (10, 2110240), (11, 1918400), (16, 1318900), (20, 1055120), (22, 959200), (25, 844096), (32, 659450), (40, 527560), (44, 479600), (50, 422048), (55, 383680), (64, 329725), (80, 263780), (88, 239800), (100, 211024), (109, 193600), (110, 191840), (121, 174400), (160, 131890), (176, 119900), (200, 105512), (218, 96800), (220, 95920), (242, 87200), (275, 76736), (320, 65945), (352, 59950), (400, 52756), (436, 48400), (440, 47960), (484, 43600), (545, 38720), (550, 38368), (605, 34880), (704, 29975), (800, 26378), (872, 24200), (880, 23980), (968, 21800), (1090, 19360), (1100, 19184), (1199, 17600), (1210, 17440), (1600, 13189), (1744, 12100), (1760, 11990), (1936, 10900), (2180, 9680), (2200, 9592), (2398, 8800), (2420, 8720), (2725, 7744), (3025, 6976), (3488, 6050), (3520, 5995), (3872, 5450), (4360, 4840), (4400, 4796)]