21664332

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1667}}^1$

素因数の和:1715

約数の個数: 54

約数和(自身を含む): 57831228

約数和(自身を除く): 36166896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1667, 2166, 3249, 3334, 4332, 5001, 6498, 6668, 10002, 12996, 15003, 20004, 30006, 31673, 60012, 63346, 95019, 126692, 190038, 285057, 380076, 570114, 601787, 1140228, 1203574, 1805361, 2407148, 3610722, 5416083, 7221444, 10832166, 21664332]

約数ペア:

[(1, 21664332), (2, 10832166), (3, 7221444), (4, 5416083), (6, 3610722), (9, 2407148), (12, 1805361), (18, 1203574), (19, 1140228), (36, 601787), (38, 570114), (57, 380076), (76, 285057), (114, 190038), (171, 126692), (228, 95019), (342, 63346), (361, 60012), (684, 31673), (722, 30006), (1083, 20004), (1444, 15003), (1667, 12996), (2166, 10002), (3249, 6668), (3334, 6498), (4332, 5001)]