21929684

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24035116

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 113, 116, 203, 226, 239, 406, 452, 478, 791, 812, 956, 1582, 1673, 3164, 3277, 3346, 6554, 6692, 6931, 13108, 13862, 22939, 27007, 27724, 45878, 48517, 54014, 91756, 97034, 108028, 189049, 194068, 378098, 756196, 783203, 1566406, 3132812, 5482421, 10964842, 21929684]

約数ペア:

[(1, 21929684), (2, 10964842), (4, 5482421), (7, 3132812), (14, 1566406), (28, 783203), (29, 756196), (58, 378098), (113, 194068), (116, 189049), (203, 108028), (226, 97034), (239, 91756), (406, 54014), (452, 48517), (478, 45878), (791, 27724), (812, 27007), (956, 22939), (1582, 13862), (1673, 13108), (3164, 6931), (3277, 6692), (3346, 6554)]