21272904

素因数分解:

$2^3\times 3^2\times {\mathrm{359}}^1\times {\mathrm{823}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 57844800

約数和(自身を除く): 36571896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 359, 718, 823, 1077, 1436, 1646, 2154, 2469, 2872, 3231, 3292, 4308, 4938, 6462, 6584, 7407, 8616, 9876, 12924, 14814, 19752, 25848, 29628, 59256, 295457, 590914, 886371, 1181828, 1772742, 2363656, 2659113, 3545484, 5318226, 7090968, 10636452, 21272904]

約数ペア:

[(1, 21272904), (2, 10636452), (3, 7090968), (4, 5318226), (6, 3545484), (8, 2659113), (9, 2363656), (12, 1772742), (18, 1181828), (24, 886371), (36, 590914), (72, 295457), (359, 59256), (718, 29628), (823, 25848), (1077, 19752), (1436, 14814), (1646, 12924), (2154, 9876), (2469, 8616), (2872, 7407), (3231, 6584), (3292, 6462), (4308, 4938)]