21354984

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6053}}^1$

素因数の和:6079

約数の個数: 72

約数和(自身を含む): 67290210

約数和(自身を除く): 45935226

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6053, 12106, 18159, 24212, 36318, 42371, 48424, 54477, 72636, 84742, 108954, 127113, 145272, 169484, 217908, 254226, 296597, 338968, 381339, 435816, 508452, 593194, 762678, 889791, 1016904, 1186388, 1525356, 1779582, 2372776, 2669373, 3050712, 3559164, 5338746, 7118328, 10677492, 21354984]

約数ペア:

[(1, 21354984), (2, 10677492), (3, 7118328), (4, 5338746), (6, 3559164), (7, 3050712), (8, 2669373), (9, 2372776), (12, 1779582), (14, 1525356), (18, 1186388), (21, 1016904), (24, 889791), (28, 762678), (36, 593194), (42, 508452), (49, 435816), (56, 381339), (63, 338968), (72, 296597), (84, 254226), (98, 217908), (126, 169484), (147, 145272), (168, 127113), (196, 108954), (252, 84742), (294, 72636), (392, 54477), (441, 48424), (504, 42371), (588, 36318), (882, 24212), (1176, 18159), (1764, 12106), (3528, 6053)]