21888736

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 45208800

約数和(自身を除く): 23320064

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 103, 116, 206, 229, 232, 412, 458, 464, 824, 916, 928, 1648, 1832, 2987, 3296, 3664, 5974, 6641, 7328, 11948, 13282, 23587, 23896, 26564, 47174, 47792, 53128, 94348, 95584, 106256, 188696, 212512, 377392, 684023, 754784, 1368046, 2736092, 5472184, 10944368, 21888736]

約数ペア:

[(1, 21888736), (2, 10944368), (4, 5472184), (8, 2736092), (16, 1368046), (29, 754784), (32, 684023), (58, 377392), (103, 212512), (116, 188696), (206, 106256), (229, 95584), (232, 94348), (412, 53128), (458, 47792), (464, 47174), (824, 26564), (916, 23896), (928, 23587), (1648, 13282), (1832, 11948), (2987, 7328), (3296, 6641), (3664, 5974)]