21958596

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^2$

素因数の和:174

約数の個数: 81

約数和(自身を含む): 61882639

約数和(自身を除く): 39924043

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 121, 132, 142, 198, 213, 242, 284, 363, 396, 426, 484, 639, 726, 781, 852, 1089, 1278, 1452, 1562, 2178, 2343, 2556, 3124, 4356, 4686, 5041, 7029, 8591, 9372, 10082, 14058, 15123, 17182, 20164, 25773, 28116, 30246, 34364, 45369, 51546, 55451, 60492, 77319, 90738, 103092, 110902, 154638, 166353, 181476, 221804, 309276, 332706, 499059, 609961, 665412, 998118, 1219922, 1829883, 1996236, 2439844, 3659766, 5489649, 7319532, 10979298, 21958596]

約数ペア:

[(1, 21958596), (2, 10979298), (3, 7319532), (4, 5489649), (6, 3659766), (9, 2439844), (11, 1996236), (12, 1829883), (18, 1219922), (22, 998118), (33, 665412), (36, 609961), (44, 499059), (66, 332706), (71, 309276), (99, 221804), (121, 181476), (132, 166353), (142, 154638), (198, 110902), (213, 103092), (242, 90738), (284, 77319), (363, 60492), (396, 55451), (426, 51546), (484, 45369), (639, 34364), (726, 30246), (781, 28116), (852, 25773), (1089, 20164), (1278, 17182), (1452, 15123), (1562, 14058), (2178, 10082), (2343, 9372), (2556, 8591), (3124, 7029), (4356, 5041)]