21579768

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 46710792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 658, 846, 911, 987, 1128, 1316, 1692, 1822, 1974, 2632, 2733, 2961, 3384, 3644, 3948, 5466, 5922, 6377, 7288, 7896, 8199, 10932, 11844, 12754, 16398, 19131, 21864, 23688, 25508, 32796, 38262, 42817, 51016, 57393, 65592, 76524, 85634, 114786, 128451, 153048, 171268, 229572, 256902, 299719, 342536, 385353, 459144, 513804, 599438, 770706, 899157, 1027608, 1198876, 1541412, 1798314, 2397752, 2697471, 3082824, 3596628, 5394942, 7193256, 10789884, 21579768]

約数ペア:

[(1, 21579768), (2, 10789884), (3, 7193256), (4, 5394942), (6, 3596628), (7, 3082824), (8, 2697471), (9, 2397752), (12, 1798314), (14, 1541412), (18, 1198876), (21, 1027608), (24, 899157), (28, 770706), (36, 599438), (42, 513804), (47, 459144), (56, 385353), (63, 342536), (72, 299719), (84, 256902), (94, 229572), (126, 171268), (141, 153048), (168, 128451), (188, 114786), (252, 85634), (282, 76524), (329, 65592), (376, 57393), (423, 51016), (504, 42817), (564, 38262), (658, 32796), (846, 25508), (911, 23688), (987, 21864), (1128, 19131), (1316, 16398), (1692, 12754), (1822, 11844), (1974, 10932), (2632, 8199), (2733, 7896), (2961, 7288), (3384, 6377), (3644, 5922), (3948, 5466)]