21580956

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 36797364

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 179, 197, 204, 306, 358, 394, 537, 591, 612, 716, 788, 1074, 1182, 1611, 1773, 2148, 2364, 3043, 3222, 3349, 3546, 6086, 6444, 6698, 7092, 9129, 10047, 12172, 13396, 18258, 20094, 27387, 30141, 35263, 36516, 40188, 54774, 60282, 70526, 105789, 109548, 120564, 141052, 211578, 317367, 423156, 599471, 634734, 1198942, 1269468, 1798413, 2397884, 3596826, 5395239, 7193652, 10790478, 21580956]

約数ペア:

[(1, 21580956), (2, 10790478), (3, 7193652), (4, 5395239), (6, 3596826), (9, 2397884), (12, 1798413), (17, 1269468), (18, 1198942), (34, 634734), (36, 599471), (51, 423156), (68, 317367), (102, 211578), (153, 141052), (179, 120564), (197, 109548), (204, 105789), (306, 70526), (358, 60282), (394, 54774), (537, 40188), (591, 36516), (612, 35263), (716, 30141), (788, 27387), (1074, 20094), (1182, 18258), (1611, 13396), (1773, 12172), (2148, 10047), (2364, 9129), (3043, 7092), (3222, 6698), (3349, 6444), (3546, 6086)]