21821910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 57853440

約数和(自身を除く): 36031530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 89, 110, 165, 178, 267, 330, 445, 534, 743, 890, 979, 1335, 1486, 1958, 2229, 2670, 2937, 3715, 4458, 4895, 5874, 7430, 8173, 9790, 11145, 14685, 16346, 22290, 24519, 29370, 40865, 49038, 66127, 81730, 122595, 132254, 198381, 245190, 330635, 396762, 661270, 727397, 991905, 1454794, 1983810, 2182191, 3636985, 4364382, 7273970, 10910955, 21821910]

約数ペア:

[(1, 21821910), (2, 10910955), (3, 7273970), (5, 4364382), (6, 3636985), (10, 2182191), (11, 1983810), (15, 1454794), (22, 991905), (30, 727397), (33, 661270), (55, 396762), (66, 330635), (89, 245190), (110, 198381), (165, 132254), (178, 122595), (267, 81730), (330, 66127), (445, 49038), (534, 40865), (743, 29370), (890, 24519), (979, 22290), (1335, 16346), (1486, 14685), (1958, 11145), (2229, 9790), (2670, 8173), (2937, 7430), (3715, 5874), (4458, 4895)]