21236112

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1760

約数の個数: 60

約数和(自身を含む): 60135660

約数和(自身を除く): 38899548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1657, 2136, 3204, 3314, 4272, 4971, 6408, 6628, 9942, 12816, 13256, 14913, 19884, 26512, 29826, 39768, 59652, 79536, 119304, 147473, 238608, 294946, 442419, 589892, 884838, 1179784, 1327257, 1769676, 2359568, 2654514, 3539352, 5309028, 7078704, 10618056, 21236112]

約数ペア:

[(1, 21236112), (2, 10618056), (3, 7078704), (4, 5309028), (6, 3539352), (8, 2654514), (9, 2359568), (12, 1769676), (16, 1327257), (18, 1179784), (24, 884838), (36, 589892), (48, 442419), (72, 294946), (89, 238608), (144, 147473), (178, 119304), (267, 79536), (356, 59652), (534, 39768), (712, 29826), (801, 26512), (1068, 19884), (1424, 14913), (1602, 13256), (1657, 12816), (2136, 9942), (3204, 6628), (3314, 6408), (4272, 4971)]