21615308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 27155764

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 31, 44, 46, 52, 53, 62, 92, 106, 124, 143, 212, 253, 286, 299, 341, 403, 506, 572, 583, 598, 682, 689, 713, 806, 1012, 1166, 1196, 1219, 1364, 1378, 1426, 1612, 1643, 2332, 2438, 2756, 2852, 3286, 3289, 4433, 4876, 6572, 6578, 7579, 7843, 8866, 9269, 13156, 13409, 15158, 15686, 15847, 17732, 18073, 18538, 21359, 26818, 30316, 31372, 31694, 36146, 37076, 37789, 42718, 53636, 63388, 72292, 75578, 85436, 101959, 151156, 174317, 203918, 234949, 348634, 407836, 415679, 469898, 491257, 697268, 831358, 939796, 982514, 1662716, 1965028, 5403827, 10807654, 21615308]

約数ペア:

[(1, 21615308), (2, 10807654), (4, 5403827), (11, 1965028), (13, 1662716), (22, 982514), (23, 939796), (26, 831358), (31, 697268), (44, 491257), (46, 469898), (52, 415679), (53, 407836), (62, 348634), (92, 234949), (106, 203918), (124, 174317), (143, 151156), (212, 101959), (253, 85436), (286, 75578), (299, 72292), (341, 63388), (403, 53636), (506, 42718), (572, 37789), (583, 37076), (598, 36146), (682, 31694), (689, 31372), (713, 30316), (806, 26818), (1012, 21359), (1166, 18538), (1196, 18073), (1219, 17732), (1364, 15847), (1378, 15686), (1426, 15158), (1612, 13409), (1643, 13156), (2332, 9269), (2438, 8866), (2756, 7843), (2852, 7579), (3286, 6578), (3289, 6572), (4433, 4876)]