21598800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 71037120

約数和(自身を除く): 49438320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 41, 48, 50, 60, 75, 80, 82, 100, 120, 123, 150, 164, 200, 205, 240, 246, 300, 328, 400, 410, 439, 492, 600, 615, 656, 820, 878, 984, 1025, 1200, 1230, 1317, 1640, 1756, 1968, 2050, 2195, 2460, 2634, 3075, 3280, 3512, 4100, 4390, 4920, 5268, 6150, 6585, 7024, 8200, 8780, 9840, 10536, 10975, 12300, 13170, 16400, 17560, 17999, 21072, 21950, 24600, 26340, 32925, 35120, 35998, 43900, 49200, 52680, 53997, 65850, 71996, 87800, 89995, 105360, 107994, 131700, 143992, 175600, 179990, 215988, 263400, 269985, 287984, 359980, 431976, 449975, 526800, 539970, 719960, 863952, 899950, 1079940, 1349925, 1439920, 1799900, 2159880, 2699850, 3599800, 4319760, 5399700, 7199600, 10799400, 21598800]

約数ペア:

[(1, 21598800), (2, 10799400), (3, 7199600), (4, 5399700), (5, 4319760), (6, 3599800), (8, 2699850), (10, 2159880), (12, 1799900), (15, 1439920), (16, 1349925), (20, 1079940), (24, 899950), (25, 863952), (30, 719960), (40, 539970), (41, 526800), (48, 449975), (50, 431976), (60, 359980), (75, 287984), (80, 269985), (82, 263400), (100, 215988), (120, 179990), (123, 175600), (150, 143992), (164, 131700), (200, 107994), (205, 105360), (240, 89995), (246, 87800), (300, 71996), (328, 65850), (400, 53997), (410, 52680), (439, 49200), (492, 43900), (600, 35998), (615, 35120), (656, 32925), (820, 26340), (878, 24600), (984, 21950), (1025, 21072), (1200, 17999), (1230, 17560), (1317, 16400), (1640, 13170), (1756, 12300), (1968, 10975), (2050, 10536), (2195, 9840), (2460, 8780), (2634, 8200), (3075, 7024), (3280, 6585), (3512, 6150), (4100, 5268), (4390, 4920)]