21860082

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 49365888

約数和(自身を除く): 27505806

約数列:

[1, 2, 3, 6, 9, 18, 43, 61, 86, 122, 129, 183, 258, 366, 387, 463, 549, 774, 926, 1098, 1389, 2623, 2778, 4167, 5246, 7869, 8334, 15738, 19909, 23607, 28243, 39818, 47214, 56486, 59727, 84729, 119454, 169458, 179181, 254187, 358362, 508374, 1214449, 2428898, 3643347, 7286694, 10930041, 21860082]

約数ペア:

[(1, 21860082), (2, 10930041), (3, 7286694), (6, 3643347), (9, 2428898), (18, 1214449), (43, 508374), (61, 358362), (86, 254187), (122, 179181), (129, 169458), (183, 119454), (258, 84729), (366, 59727), (387, 56486), (463, 47214), (549, 39818), (774, 28243), (926, 23607), (1098, 19909), (1389, 15738), (2623, 8334), (2778, 7869), (4167, 5246)]