16221051

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13431429

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 89, 99, 231, 263, 267, 623, 693, 789, 801, 979, 1841, 1869, 2367, 2893, 2937, 5523, 5607, 6853, 8679, 8811, 16569, 20251, 20559, 23407, 26037, 60753, 61677, 70221, 163849, 182259, 210663, 257477, 491547, 772431, 1474641, 1802339, 2317293, 5407017, 16221051]

約数ペア:

[(1, 16221051), (3, 5407017), (7, 2317293), (9, 1802339), (11, 1474641), (21, 772431), (33, 491547), (63, 257477), (77, 210663), (89, 182259), (99, 163849), (231, 70221), (263, 61677), (267, 60753), (623, 26037), (693, 23407), (789, 20559), (801, 20251), (979, 16569), (1841, 8811), (1869, 8679), (2367, 6853), (2893, 5607), (2937, 5523)]