21419596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21480884

約数列:

[1, 2, 4, 11, 22, 37, 44, 59, 74, 118, 148, 223, 236, 407, 446, 649, 814, 892, 1298, 1628, 2183, 2453, 2596, 4366, 4906, 8251, 8732, 9812, 13157, 16502, 24013, 26314, 33004, 48026, 52628, 90761, 96052, 144727, 181522, 289454, 363044, 486809, 578908, 973618, 1947236, 5354899, 10709798, 21419596]

約数ペア:

[(1, 21419596), (2, 10709798), (4, 5354899), (11, 1947236), (22, 973618), (37, 578908), (44, 486809), (59, 363044), (74, 289454), (118, 181522), (148, 144727), (223, 96052), (236, 90761), (407, 52628), (446, 48026), (649, 33004), (814, 26314), (892, 24013), (1298, 16502), (1628, 13157), (2183, 9812), (2453, 8732), (2596, 8251), (4366, 4906)]