21965014719

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1\times {\mathrm{631}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 32480148480

約数和(自身を除く): 10515133761

約数列:

[1, 3, 9, 79, 173, 237, 283, 519, 631, 711, 849, 1557, 1893, 2547, 5679, 13667, 22357, 41001, 48959, 49849, 67071, 109163, 123003, 146877, 149547, 178573, 201213, 327489, 440631, 448641, 535719, 982467, 1607157, 3867761, 8623877, 11603283, 14107267, 25871631, 30893129, 34809849, 42321801, 77614893, 92679387, 126965403, 278038161, 2440557191, 7321671573, 21965014719]

約数ペア:

[(1, 21965014719), (3, 7321671573), (9, 2440557191), (79, 278038161), (173, 126965403), (237, 92679387), (283, 77614893), (519, 42321801), (631, 34809849), (711, 30893129), (849, 25871631), (1557, 14107267), (1893, 11603283), (2547, 8623877), (5679, 3867761), (13667, 1607157), (22357, 982467), (41001, 535719), (48959, 448641), (49849, 440631), (67071, 327489), (109163, 201213), (123003, 178573), (146877, 149547)]