21364920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3491}}^1$

素因数の和:3525

約数の個数: 96

約数和(自身を含む): 73541520

約数和(自身を除く): 52176600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3491, 6120, 6982, 10473, 13964, 17455, 20946, 27928, 31419, 34910, 41892, 52365, 59347, 62838, 69820, 83784, 104730, 118694, 125676, 139640, 157095, 178041, 209460, 237388, 251352, 296735, 314190, 356082, 418920, 474776, 534123, 593470, 628380, 712164, 890205, 1068246, 1186940, 1256760, 1424328, 1780410, 2136492, 2373880, 2670615, 3560820, 4272984, 5341230, 7121640, 10682460, 21364920]

約数ペア:

[(1, 21364920), (2, 10682460), (3, 7121640), (4, 5341230), (5, 4272984), (6, 3560820), (8, 2670615), (9, 2373880), (10, 2136492), (12, 1780410), (15, 1424328), (17, 1256760), (18, 1186940), (20, 1068246), (24, 890205), (30, 712164), (34, 628380), (36, 593470), (40, 534123), (45, 474776), (51, 418920), (60, 356082), (68, 314190), (72, 296735), (85, 251352), (90, 237388), (102, 209460), (120, 178041), (136, 157095), (153, 139640), (170, 125676), (180, 118694), (204, 104730), (255, 83784), (306, 69820), (340, 62838), (360, 59347), (408, 52365), (510, 41892), (612, 34910), (680, 31419), (765, 27928), (1020, 20946), (1224, 17455), (1530, 13964), (2040, 10473), (3060, 6982), (3491, 6120)]