21162570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4933}}^1$

素因数の和:4967

約数の個数: 64

約数和(自身を含む): 59681664

約数和(自身を除く): 38519094

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4933, 9866, 14799, 24665, 29598, 49330, 54263, 64129, 73995, 108526, 128258, 147990, 162789, 192387, 271315, 320645, 325578, 384774, 542630, 641290, 705419, 813945, 961935, 1410838, 1627890, 1923870, 2116257, 3527095, 4232514, 7054190, 10581285, 21162570]

約数ペア:

[(1, 21162570), (2, 10581285), (3, 7054190), (5, 4232514), (6, 3527095), (10, 2116257), (11, 1923870), (13, 1627890), (15, 1410838), (22, 961935), (26, 813945), (30, 705419), (33, 641290), (39, 542630), (55, 384774), (65, 325578), (66, 320645), (78, 271315), (110, 192387), (130, 162789), (143, 147990), (165, 128258), (195, 108526), (286, 73995), (330, 64129), (390, 54263), (429, 49330), (715, 29598), (858, 24665), (1430, 14799), (2145, 9866), (4290, 4933)]