21313695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3769}}^1$

素因数の和:3819

約数の個数: 32

約数和(自身を含む): 38001600

約数和(自身を除く): 16687905

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3769, 5655, 11307, 18845, 48997, 56535, 109301, 146991, 244985, 327903, 546505, 734955, 1420913, 1639515, 4262739, 7104565, 21313695]

約数ペア:

[(1, 21313695), (3, 7104565), (5, 4262739), (13, 1639515), (15, 1420913), (29, 734955), (39, 546505), (65, 327903), (87, 244985), (145, 146991), (195, 109301), (377, 56535), (435, 48997), (1131, 18845), (1885, 11307), (3769, 5655)]