21186450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 108

約数和(自身を含む): 60171930

約数和(自身を除く): 38985480

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 89, 90, 115, 138, 150, 178, 207, 225, 230, 267, 345, 414, 445, 450, 529, 534, 575, 690, 801, 890, 1035, 1058, 1150, 1335, 1587, 1602, 1725, 2047, 2070, 2225, 2645, 2670, 3174, 3450, 4005, 4094, 4450, 4761, 5175, 5290, 6141, 6675, 7935, 8010, 9522, 10235, 10350, 12282, 13225, 13350, 15870, 18423, 20025, 20470, 23805, 26450, 30705, 36846, 39675, 40050, 47081, 47610, 51175, 61410, 79350, 92115, 94162, 102350, 119025, 141243, 153525, 184230, 235405, 238050, 282486, 307050, 423729, 460575, 470810, 706215, 847458, 921150, 1177025, 1412430, 2118645, 2354050, 3531075, 4237290, 7062150, 10593225, 21186450]

約数ペア:

[(1, 21186450), (2, 10593225), (3, 7062150), (5, 4237290), (6, 3531075), (9, 2354050), (10, 2118645), (15, 1412430), (18, 1177025), (23, 921150), (25, 847458), (30, 706215), (45, 470810), (46, 460575), (50, 423729), (69, 307050), (75, 282486), (89, 238050), (90, 235405), (115, 184230), (138, 153525), (150, 141243), (178, 119025), (207, 102350), (225, 94162), (230, 92115), (267, 79350), (345, 61410), (414, 51175), (445, 47610), (450, 47081), (529, 40050), (534, 39675), (575, 36846), (690, 30705), (801, 26450), (890, 23805), (1035, 20470), (1058, 20025), (1150, 18423), (1335, 15870), (1587, 13350), (1602, 13225), (1725, 12282), (2047, 10350), (2070, 10235), (2225, 9522), (2645, 8010), (2670, 7935), (3174, 6675), (3450, 6141), (4005, 5290), (4094, 5175), (4450, 4761)]