21466920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 68522400

約数和(自身を除く): 47055480

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, 289, 340, 408, 510, 578, 619, 680, 867, 1020, 1156, 1238, 1445, 1734, 1857, 2040, 2312, 2476, 2890, 3095, 3468, 3714, 4335, 4952, 5780, 6190, 6936, 7428, 8670, 9285, 10523, 11560, 12380, 14856, 17340, 18570, 21046, 24760, 31569, 34680, 37140, 42092, 52615, 63138, 74280, 84184, 105230, 126276, 157845, 178891, 210460, 252552, 315690, 357782, 420920, 536673, 631380, 715564, 894455, 1073346, 1262760, 1431128, 1788910, 2146692, 2683365, 3577820, 4293384, 5366730, 7155640, 10733460, 21466920]

約数ペア:

[(1, 21466920), (2, 10733460), (3, 7155640), (4, 5366730), (5, 4293384), (6, 3577820), (8, 2683365), (10, 2146692), (12, 1788910), (15, 1431128), (17, 1262760), (20, 1073346), (24, 894455), (30, 715564), (34, 631380), (40, 536673), (51, 420920), (60, 357782), (68, 315690), (85, 252552), (102, 210460), (120, 178891), (136, 157845), (170, 126276), (204, 105230), (255, 84184), (289, 74280), (340, 63138), (408, 52615), (510, 42092), (578, 37140), (619, 34680), (680, 31569), (867, 24760), (1020, 21046), (1156, 18570), (1238, 17340), (1445, 14856), (1734, 12380), (1857, 11560), (2040, 10523), (2312, 9285), (2476, 8670), (2890, 7428), (3095, 6936), (3468, 6190), (3714, 5780), (4335, 4952)]