21032316

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 56718480

約数和(自身を除く): 35686164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 291, 317, 342, 388, 582, 634, 684, 873, 951, 1164, 1268, 1746, 1843, 1902, 2853, 3492, 3686, 3804, 5529, 5706, 6023, 7372, 11058, 11412, 12046, 16587, 18069, 22116, 24092, 30749, 33174, 36138, 54207, 61498, 66348, 72276, 92247, 108414, 122996, 184494, 216828, 276741, 368988, 553482, 584231, 1106964, 1168462, 1752693, 2336924, 3505386, 5258079, 7010772, 10516158, 21032316]

約数ペア:

[(1, 21032316), (2, 10516158), (3, 7010772), (4, 5258079), (6, 3505386), (9, 2336924), (12, 1752693), (18, 1168462), (19, 1106964), (36, 584231), (38, 553482), (57, 368988), (76, 276741), (97, 216828), (114, 184494), (171, 122996), (194, 108414), (228, 92247), (291, 72276), (317, 66348), (342, 61498), (388, 54207), (582, 36138), (634, 33174), (684, 30749), (873, 24092), (951, 22116), (1164, 18069), (1268, 16587), (1746, 12046), (1843, 11412), (1902, 11058), (2853, 7372), (3492, 6023), (3686, 5706), (3804, 5529)]