21417960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10499}}^1$

素因数の和:10530

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 46622040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10499, 20998, 31497, 41996, 52495, 62994, 83992, 104990, 125988, 157485, 178483, 209980, 251976, 314970, 356966, 419960, 535449, 629940, 713932, 892415, 1070898, 1259880, 1427864, 1784830, 2141796, 2677245, 3569660, 4283592, 5354490, 7139320, 10708980, 21417960]

約数ペア:

[(1, 21417960), (2, 10708980), (3, 7139320), (4, 5354490), (5, 4283592), (6, 3569660), (8, 2677245), (10, 2141796), (12, 1784830), (15, 1427864), (17, 1259880), (20, 1070898), (24, 892415), (30, 713932), (34, 629940), (40, 535449), (51, 419960), (60, 356966), (68, 314970), (85, 251976), (102, 209980), (120, 178483), (136, 157485), (170, 125988), (204, 104990), (255, 83992), (340, 62994), (408, 52495), (510, 41996), (680, 31497), (1020, 20998), (2040, 10499)]