21362916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 53715200

約数和(自身を除く): 32352284

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2179, 2451, 3268, 4358, 4902, 6537, 8716, 9804, 13074, 26148, 41401, 82802, 93697, 124203, 165604, 187394, 248406, 281091, 374788, 496812, 562182, 1124364, 1780243, 3560486, 5340729, 7120972, 10681458, 21362916]

約数ペア:

[(1, 21362916), (2, 10681458), (3, 7120972), (4, 5340729), (6, 3560486), (12, 1780243), (19, 1124364), (38, 562182), (43, 496812), (57, 374788), (76, 281091), (86, 248406), (114, 187394), (129, 165604), (172, 124203), (228, 93697), (258, 82802), (516, 41401), (817, 26148), (1634, 13074), (2179, 9804), (2451, 8716), (3268, 6537), (4358, 4902)]