21119520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 96

約数和(自身を含む): 69455232

約数和(自身を除く): 48335712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1913, 2208, 2760, 3680, 3826, 5520, 5739, 7652, 9565, 11040, 11478, 15304, 19130, 22956, 28695, 30608, 38260, 43999, 45912, 57390, 61216, 76520, 87998, 91824, 114780, 131997, 153040, 175996, 183648, 219995, 229560, 263994, 306080, 351992, 439990, 459120, 527988, 659985, 703984, 879980, 918240, 1055976, 1319970, 1407968, 1759960, 2111952, 2639940, 3519920, 4223904, 5279880, 7039840, 10559760, 21119520]

約数ペア:

[(1, 21119520), (2, 10559760), (3, 7039840), (4, 5279880), (5, 4223904), (6, 3519920), (8, 2639940), (10, 2111952), (12, 1759960), (15, 1407968), (16, 1319970), (20, 1055976), (23, 918240), (24, 879980), (30, 703984), (32, 659985), (40, 527988), (46, 459120), (48, 439990), (60, 351992), (69, 306080), (80, 263994), (92, 229560), (96, 219995), (115, 183648), (120, 175996), (138, 153040), (160, 131997), (184, 114780), (230, 91824), (240, 87998), (276, 76520), (345, 61216), (368, 57390), (460, 45912), (480, 43999), (552, 38260), (690, 30608), (736, 28695), (920, 22956), (1104, 19130), (1380, 15304), (1840, 11478), (1913, 11040), (2208, 9565), (2760, 7652), (3680, 5739), (3826, 5520)]