21339900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 108

約数和(自身を含む): 67771704

約数和(自身を除く): 46431804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 131, 150, 180, 181, 225, 262, 300, 362, 393, 450, 524, 543, 655, 724, 786, 900, 905, 1086, 1179, 1310, 1572, 1629, 1810, 1965, 2172, 2358, 2620, 2715, 3258, 3275, 3620, 3930, 4525, 4716, 5430, 5895, 6516, 6550, 7860, 8145, 9050, 9825, 10860, 11790, 13100, 13575, 16290, 18100, 19650, 23580, 23711, 27150, 29475, 32580, 39300, 40725, 47422, 54300, 58950, 71133, 81450, 94844, 117900, 118555, 142266, 162900, 213399, 237110, 284532, 355665, 426798, 474220, 592775, 711330, 853596, 1066995, 1185550, 1422660, 1778325, 2133990, 2371100, 3556650, 4267980, 5334975, 7113300, 10669950, 21339900]

約数ペア:

[(1, 21339900), (2, 10669950), (3, 7113300), (4, 5334975), (5, 4267980), (6, 3556650), (9, 2371100), (10, 2133990), (12, 1778325), (15, 1422660), (18, 1185550), (20, 1066995), (25, 853596), (30, 711330), (36, 592775), (45, 474220), (50, 426798), (60, 355665), (75, 284532), (90, 237110), (100, 213399), (131, 162900), (150, 142266), (180, 118555), (181, 117900), (225, 94844), (262, 81450), (300, 71133), (362, 58950), (393, 54300), (450, 47422), (524, 40725), (543, 39300), (655, 32580), (724, 29475), (786, 27150), (900, 23711), (905, 23580), (1086, 19650), (1179, 18100), (1310, 16290), (1572, 13575), (1629, 13100), (1810, 11790), (1965, 10860), (2172, 9825), (2358, 9050), (2620, 8145), (2715, 7860), (3258, 6550), (3275, 6516), (3620, 5895), (3930, 5430), (4525, 4716)]