21379554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5851}}^1$

素因数の和:5895

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 33395166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5851, 11702, 17553, 35106, 40957, 52659, 81914, 105318, 122871, 169679, 245742, 339358, 368613, 509037, 737226, 1018074, 1187753, 1527111, 2375506, 3054222, 3563259, 7126518, 10689777, 21379554]

約数ペア:

[(1, 21379554), (2, 10689777), (3, 7126518), (6, 3563259), (7, 3054222), (9, 2375506), (14, 1527111), (18, 1187753), (21, 1018074), (29, 737226), (42, 509037), (58, 368613), (63, 339358), (87, 245742), (126, 169679), (174, 122871), (203, 105318), (261, 81914), (406, 52659), (522, 40957), (609, 35106), (1218, 17553), (1827, 11702), (3654, 5851)]