21653328

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6733}}^1$

素因数の和:6811

約数の個数: 40

約数和(自身を含む): 56781088

約数和(自身を除く): 35127760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6733, 13466, 20199, 26932, 40398, 53864, 80796, 107728, 161592, 323184, 451111, 902222, 1353333, 1804444, 2706666, 3608888, 5413332, 7217776, 10826664, 21653328]

約数ペア:

[(1, 21653328), (2, 10826664), (3, 7217776), (4, 5413332), (6, 3608888), (8, 2706666), (12, 1804444), (16, 1353333), (24, 902222), (48, 451111), (67, 323184), (134, 161592), (201, 107728), (268, 80796), (402, 53864), (536, 40398), (804, 26932), (1072, 20199), (1608, 13466), (3216, 6733)]