202121612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21169}}^1$

素因数の和:21222

約数の個数: 48

約数和(自身を含む): 455239680

約数和(自身を除く): 253118068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 21169, 42338, 84676, 148183, 232859, 296366, 465718, 592732, 656239, 931436, 1312478, 1630013, 2624956, 3260026, 4593673, 6520052, 7218629, 9187346, 14437258, 18374692, 28874516, 50530403, 101060806, 202121612]

約数ペア:

[(1, 202121612), (2, 101060806), (4, 50530403), (7, 28874516), (11, 18374692), (14, 14437258), (22, 9187346), (28, 7218629), (31, 6520052), (44, 4593673), (62, 3260026), (77, 2624956), (124, 1630013), (154, 1312478), (217, 931436), (308, 656239), (341, 592732), (434, 465718), (682, 296366), (868, 232859), (1364, 148183), (2387, 84676), (4774, 42338), (9548, 21169)]