21293350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 47246976

約数和(自身を除く): 25953626

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 41, 47, 50, 65, 82, 85, 94, 130, 170, 205, 221, 235, 325, 410, 425, 442, 470, 533, 611, 650, 697, 799, 850, 1025, 1066, 1105, 1175, 1222, 1394, 1598, 1927, 2050, 2210, 2350, 2665, 3055, 3485, 3854, 3995, 5330, 5525, 6110, 6970, 7990, 9061, 9635, 10387, 11050, 13325, 15275, 17425, 18122, 19270, 19975, 20774, 25051, 26650, 30550, 32759, 34850, 39950, 45305, 48175, 50102, 51935, 65518, 90610, 96350, 103870, 125255, 163795, 226525, 250510, 259675, 327590, 425867, 453050, 519350, 626275, 818975, 851734, 1252550, 1637950, 2129335, 4258670, 10646675, 21293350]

約数ペア:

[(1, 21293350), (2, 10646675), (5, 4258670), (10, 2129335), (13, 1637950), (17, 1252550), (25, 851734), (26, 818975), (34, 626275), (41, 519350), (47, 453050), (50, 425867), (65, 327590), (82, 259675), (85, 250510), (94, 226525), (130, 163795), (170, 125255), (205, 103870), (221, 96350), (235, 90610), (325, 65518), (410, 51935), (425, 50102), (442, 48175), (470, 45305), (533, 39950), (611, 34850), (650, 32759), (697, 30550), (799, 26650), (850, 25051), (1025, 20774), (1066, 19975), (1105, 19270), (1175, 18122), (1222, 17425), (1394, 15275), (1598, 13325), (1927, 11050), (2050, 10387), (2210, 9635), (2350, 9061), (2665, 7990), (3055, 6970), (3485, 6110), (3854, 5525), (3995, 5330)]