21283290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11261}}^1$

素因数の和:11284

約数の個数: 64

約数和(自身を含む): 64869120

約数和(自身を除く): 43585830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11261, 22522, 33783, 56305, 67566, 78827, 101349, 112610, 157654, 168915, 202698, 236481, 304047, 337830, 394135, 472962, 506745, 608094, 709443, 788270, 1013490, 1182405, 1418886, 1520235, 2128329, 2364810, 3040470, 3547215, 4256658, 7094430, 10641645, 21283290]

約数ペア:

[(1, 21283290), (2, 10641645), (3, 7094430), (5, 4256658), (6, 3547215), (7, 3040470), (9, 2364810), (10, 2128329), (14, 1520235), (15, 1418886), (18, 1182405), (21, 1013490), (27, 788270), (30, 709443), (35, 608094), (42, 506745), (45, 472962), (54, 394135), (63, 337830), (70, 304047), (90, 236481), (105, 202698), (126, 168915), (135, 157654), (189, 112610), (210, 101349), (270, 78827), (315, 67566), (378, 56305), (630, 33783), (945, 22522), (1890, 11261)]