21144774

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 53187840

約数和(自身を除く): 32043066

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 53, 59, 69, 98, 106, 118, 138, 147, 159, 161, 177, 294, 318, 322, 354, 371, 413, 483, 742, 826, 966, 1113, 1127, 1219, 1239, 1357, 2226, 2254, 2438, 2478, 2597, 2714, 2891, 3127, 3381, 3657, 4071, 5194, 5782, 6254, 6762, 7314, 7791, 8142, 8533, 8673, 9381, 9499, 15582, 17066, 17346, 18762, 18998, 21889, 25599, 28497, 43778, 51198, 56994, 59731, 65667, 66493, 71921, 119462, 131334, 132986, 143842, 153223, 179193, 199479, 215763, 306446, 358386, 398958, 431526, 459669, 503447, 919338, 1006894, 1510341, 3020682, 3524129, 7048258, 10572387, 21144774]

約数ペア:

[(1, 21144774), (2, 10572387), (3, 7048258), (6, 3524129), (7, 3020682), (14, 1510341), (21, 1006894), (23, 919338), (42, 503447), (46, 459669), (49, 431526), (53, 398958), (59, 358386), (69, 306446), (98, 215763), (106, 199479), (118, 179193), (138, 153223), (147, 143842), (159, 132986), (161, 131334), (177, 119462), (294, 71921), (318, 66493), (322, 65667), (354, 59731), (371, 56994), (413, 51198), (483, 43778), (742, 28497), (826, 25599), (966, 21889), (1113, 18998), (1127, 18762), (1219, 17346), (1239, 17066), (1357, 15582), (2226, 9499), (2254, 9381), (2438, 8673), (2478, 8533), (2597, 8142), (2714, 7791), (2891, 7314), (3127, 6762), (3381, 6254), (3657, 5782), (4071, 5194)]