21018324

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 52291008

約数和(自身を除く): 31272684

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 197, 204, 394, 523, 591, 788, 1046, 1182, 1569, 2092, 2364, 3138, 3349, 6276, 6698, 8891, 10047, 13396, 17782, 20094, 26673, 35564, 40188, 53346, 103031, 106692, 206062, 309093, 412124, 618186, 1236372, 1751527, 3503054, 5254581, 7006108, 10509162, 21018324]

約数ペア:

[(1, 21018324), (2, 10509162), (3, 7006108), (4, 5254581), (6, 3503054), (12, 1751527), (17, 1236372), (34, 618186), (51, 412124), (68, 309093), (102, 206062), (197, 106692), (204, 103031), (394, 53346), (523, 40188), (591, 35564), (788, 26673), (1046, 20094), (1182, 17782), (1569, 13396), (2092, 10047), (2364, 8891), (3138, 6698), (3349, 6276)]