21377610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1373}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 55943784

約数和(自身を除く): 34566174

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1373, 1557, 1730, 2595, 2746, 3114, 4119, 5190, 6865, 7785, 8238, 12357, 13730, 15570, 20595, 24714, 41190, 61785, 123570, 237529, 475058, 712587, 1187645, 1425174, 2137761, 2375290, 3562935, 4275522, 7125870, 10688805, 21377610]

約数ペア:

[(1, 21377610), (2, 10688805), (3, 7125870), (5, 4275522), (6, 3562935), (9, 2375290), (10, 2137761), (15, 1425174), (18, 1187645), (30, 712587), (45, 475058), (90, 237529), (173, 123570), (346, 61785), (519, 41190), (865, 24714), (1038, 20595), (1373, 15570), (1557, 13730), (1730, 12357), (2595, 8238), (2746, 7785), (3114, 6865), (4119, 5190)]