21450672

素因数分解:

$2^4\times 3^2\times {\mathrm{181}}^1\times {\mathrm{823}}^1$

素因数の和:1018

約数の個数: 60

約数和(自身を含む): 60437104

約数和(自身を除く): 38986432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 181, 362, 543, 724, 823, 1086, 1448, 1629, 1646, 2172, 2469, 2896, 3258, 3292, 4344, 4938, 6516, 6584, 7407, 8688, 9876, 13032, 13168, 14814, 19752, 26064, 29628, 39504, 59256, 118512, 148963, 297926, 446889, 595852, 893778, 1191704, 1340667, 1787556, 2383408, 2681334, 3575112, 5362668, 7150224, 10725336, 21450672]

約数ペア:

[(1, 21450672), (2, 10725336), (3, 7150224), (4, 5362668), (6, 3575112), (8, 2681334), (9, 2383408), (12, 1787556), (16, 1340667), (18, 1191704), (24, 893778), (36, 595852), (48, 446889), (72, 297926), (144, 148963), (181, 118512), (362, 59256), (543, 39504), (724, 29628), (823, 26064), (1086, 19752), (1448, 14814), (1629, 13168), (1646, 13032), (2172, 9876), (2469, 8688), (2896, 7407), (3258, 6584), (3292, 6516), (4344, 4938)]