21967596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 63947520

約数和(自身を除く): 41979924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 487, 537, 716, 974, 1074, 1253, 1461, 1611, 1948, 2148, 2506, 2922, 3222, 3409, 3759, 4383, 5012, 5844, 6444, 6818, 7518, 8766, 10227, 11277, 13636, 15036, 17532, 20454, 22554, 30681, 40908, 45108, 61362, 87173, 122724, 174346, 261519, 348692, 523038, 610211, 784557, 1046076, 1220422, 1569114, 1830633, 2440844, 3138228, 3661266, 5491899, 7322532, 10983798, 21967596]

約数ペア:

[(1, 21967596), (2, 10983798), (3, 7322532), (4, 5491899), (6, 3661266), (7, 3138228), (9, 2440844), (12, 1830633), (14, 1569114), (18, 1220422), (21, 1046076), (28, 784557), (36, 610211), (42, 523038), (63, 348692), (84, 261519), (126, 174346), (179, 122724), (252, 87173), (358, 61362), (487, 45108), (537, 40908), (716, 30681), (974, 22554), (1074, 20454), (1253, 17532), (1461, 15036), (1611, 13636), (1948, 11277), (2148, 10227), (2506, 8766), (2922, 7518), (3222, 6818), (3409, 6444), (3759, 5844), (4383, 5012)]