21767928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9967}}^1$

素因数の和:9996

約数の個数: 64

約数和(自身を含む): 66984960

約数和(自身を除く): 45217032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9967, 19934, 29901, 39868, 59802, 69769, 79736, 119604, 129571, 139538, 209307, 239208, 259142, 279076, 388713, 418614, 518284, 558152, 777426, 837228, 906997, 1036568, 1554852, 1674456, 1813994, 2720991, 3109704, 3627988, 5441982, 7255976, 10883964, 21767928]

約数ペア:

[(1, 21767928), (2, 10883964), (3, 7255976), (4, 5441982), (6, 3627988), (7, 3109704), (8, 2720991), (12, 1813994), (13, 1674456), (14, 1554852), (21, 1036568), (24, 906997), (26, 837228), (28, 777426), (39, 558152), (42, 518284), (52, 418614), (56, 388713), (78, 279076), (84, 259142), (91, 239208), (104, 209307), (156, 139538), (168, 129571), (182, 119604), (273, 79736), (312, 69769), (364, 59802), (546, 39868), (728, 29901), (1092, 19934), (2184, 9967)]