21390588

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 58605120

約数和(自身を除く): 37214532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 53, 54, 74, 101, 106, 108, 111, 148, 159, 202, 212, 222, 303, 318, 333, 404, 444, 477, 606, 636, 666, 909, 954, 999, 1212, 1332, 1431, 1818, 1908, 1961, 1998, 2727, 2862, 3636, 3737, 3922, 3996, 5353, 5454, 5724, 5883, 7474, 7844, 10706, 10908, 11211, 11766, 14948, 16059, 17649, 21412, 22422, 23532, 32118, 33633, 35298, 44844, 48177, 52947, 64236, 67266, 70596, 96354, 100899, 105894, 134532, 144531, 192708, 198061, 201798, 211788, 289062, 396122, 403596, 578124, 594183, 792244, 1188366, 1782549, 2376732, 3565098, 5347647, 7130196, 10695294, 21390588]

約数ペア:

[(1, 21390588), (2, 10695294), (3, 7130196), (4, 5347647), (6, 3565098), (9, 2376732), (12, 1782549), (18, 1188366), (27, 792244), (36, 594183), (37, 578124), (53, 403596), (54, 396122), (74, 289062), (101, 211788), (106, 201798), (108, 198061), (111, 192708), (148, 144531), (159, 134532), (202, 105894), (212, 100899), (222, 96354), (303, 70596), (318, 67266), (333, 64236), (404, 52947), (444, 48177), (477, 44844), (606, 35298), (636, 33633), (666, 32118), (909, 23532), (954, 22422), (999, 21412), (1212, 17649), (1332, 16059), (1431, 14948), (1818, 11766), (1908, 11211), (1961, 10908), (1998, 10706), (2727, 7844), (2862, 7474), (3636, 5883), (3737, 5724), (3922, 5454), (3996, 5353)]