2157246

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 5913600

約数和(自身を除く): 3756354

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 439, 546, 702, 819, 878, 1317, 1638, 2457, 2634, 3073, 3951, 4914, 5707, 6146, 7902, 9219, 11414, 11853, 17121, 18438, 23706, 27657, 34242, 39949, 51363, 55314, 79898, 82971, 102726, 119847, 154089, 165942, 239694, 308178, 359541, 719082, 1078623, 2157246]

約数ペア:

[(1, 2157246), (2, 1078623), (3, 719082), (6, 359541), (7, 308178), (9, 239694), (13, 165942), (14, 154089), (18, 119847), (21, 102726), (26, 82971), (27, 79898), (39, 55314), (42, 51363), (54, 39949), (63, 34242), (78, 27657), (91, 23706), (117, 18438), (126, 17121), (182, 11853), (189, 11414), (234, 9219), (273, 7902), (351, 6146), (378, 5707), (439, 4914), (546, 3951), (702, 3073), (819, 2634), (878, 2457), (1317, 1638)]