21623004705

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1597}}^1\times {\mathrm{2251}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 34720219008

約数和(自身を除く): 13097214303

約数列:

[1, 3, 5, 15, 401, 1203, 1597, 2005, 2251, 4791, 6015, 6753, 7985, 11255, 23955, 33765, 640397, 902651, 1921191, 2707953, 3201985, 3594847, 4513255, 9605955, 10784541, 13539765, 17974235, 53922705, 1441533647, 4324600941, 7207668235, 21623004705]

約数ペア:

[(1, 21623004705), (3, 7207668235), (5, 4324600941), (15, 1441533647), (401, 53922705), (1203, 17974235), (1597, 13539765), (2005, 10784541), (2251, 9605955), (4791, 4513255), (6015, 3594847), (6753, 3201985), (7985, 2707953), (11255, 1921191), (23955, 902651), (33765, 640397)]