21665244

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{569}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 31960356

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 167, 228, 334, 501, 569, 668, 1002, 1138, 1707, 2004, 2276, 3173, 3414, 6346, 6828, 9519, 10811, 12692, 19038, 21622, 32433, 38076, 43244, 64866, 95023, 129732, 190046, 285069, 380092, 570138, 1140276, 1805437, 3610874, 5416311, 7221748, 10832622, 21665244]

約数ペア:

[(1, 21665244), (2, 10832622), (3, 7221748), (4, 5416311), (6, 3610874), (12, 1805437), (19, 1140276), (38, 570138), (57, 380092), (76, 285069), (114, 190046), (167, 129732), (228, 95023), (334, 64866), (501, 43244), (569, 38076), (668, 32433), (1002, 21622), (1138, 19038), (1707, 12692), (2004, 10811), (2276, 9519), (3173, 6828), (3414, 6346)]