21663222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6529}}^1$

素因数の和:6620

約数の個数: 32

約数和(自身を含む): 50150400

約数和(自身を除く): 28487178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6529, 13058, 19587, 39174, 45703, 91406, 137109, 274218, 515791, 1031582, 1547373, 3094746, 3610537, 7221074, 10831611, 21663222]

約数ペア:

[(1, 21663222), (2, 10831611), (3, 7221074), (6, 3610537), (7, 3094746), (14, 1547373), (21, 1031582), (42, 515791), (79, 274218), (158, 137109), (237, 91406), (474, 45703), (553, 39174), (1106, 19587), (1659, 13058), (3318, 6529)]