21412860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2999}}^1$

素因数の和:3035

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 51163140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2999, 3570, 5998, 7140, 8997, 11996, 14995, 17994, 20993, 29990, 35988, 41986, 44985, 50983, 59980, 62979, 83972, 89970, 101966, 104965, 125958, 152949, 179940, 203932, 209930, 251916, 254915, 305898, 314895, 356881, 419860, 509830, 611796, 629790, 713762, 764745, 1019660, 1070643, 1259580, 1427524, 1529490, 1784405, 2141286, 3058980, 3568810, 4282572, 5353215, 7137620, 10706430, 21412860]

約数ペア:

[(1, 21412860), (2, 10706430), (3, 7137620), (4, 5353215), (5, 4282572), (6, 3568810), (7, 3058980), (10, 2141286), (12, 1784405), (14, 1529490), (15, 1427524), (17, 1259580), (20, 1070643), (21, 1019660), (28, 764745), (30, 713762), (34, 629790), (35, 611796), (42, 509830), (51, 419860), (60, 356881), (68, 314895), (70, 305898), (84, 254915), (85, 251916), (102, 209930), (105, 203932), (119, 179940), (140, 152949), (170, 125958), (204, 104965), (210, 101966), (238, 89970), (255, 83972), (340, 62979), (357, 59980), (420, 50983), (476, 44985), (510, 41986), (595, 35988), (714, 29990), (1020, 20993), (1190, 17994), (1428, 14995), (1785, 11996), (2380, 8997), (2999, 7140), (3570, 5998)]