21896940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 67173120

約数和(自身を除く): 45276180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 195, 201, 260, 268, 335, 390, 402, 419, 670, 780, 804, 838, 871, 1005, 1257, 1340, 1676, 1742, 2010, 2095, 2514, 2613, 3484, 4020, 4190, 4355, 5028, 5226, 5447, 6285, 8380, 8710, 10452, 10894, 12570, 13065, 16341, 17420, 21788, 25140, 26130, 27235, 28073, 32682, 52260, 54470, 56146, 65364, 81705, 84219, 108940, 112292, 140365, 163410, 168438, 280730, 326820, 336876, 364949, 421095, 561460, 729898, 842190, 1094847, 1459796, 1684380, 1824745, 2189694, 3649490, 4379388, 5474235, 7298980, 10948470, 21896940]

約数ペア:

[(1, 21896940), (2, 10948470), (3, 7298980), (4, 5474235), (5, 4379388), (6, 3649490), (10, 2189694), (12, 1824745), (13, 1684380), (15, 1459796), (20, 1094847), (26, 842190), (30, 729898), (39, 561460), (52, 421095), (60, 364949), (65, 336876), (67, 326820), (78, 280730), (130, 168438), (134, 163410), (156, 140365), (195, 112292), (201, 108940), (260, 84219), (268, 81705), (335, 65364), (390, 56146), (402, 54470), (419, 52260), (670, 32682), (780, 28073), (804, 27235), (838, 26130), (871, 25140), (1005, 21788), (1257, 17420), (1340, 16341), (1676, 13065), (1742, 12570), (2010, 10894), (2095, 10452), (2514, 8710), (2613, 8380), (3484, 6285), (4020, 5447), (4190, 5226), (4355, 5028)]