21439992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7507}}^1$

素因数の和:7540

約数の個数: 64

約数和(自身を含む): 64869120

約数和(自身を除く): 43429128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 7507, 15014, 22521, 30028, 45042, 52549, 60056, 90084, 105098, 127619, 157647, 180168, 210196, 255238, 315294, 382857, 420392, 510476, 630588, 765714, 893333, 1020952, 1261176, 1531428, 1786666, 2679999, 3062856, 3573332, 5359998, 7146664, 10719996, 21439992]

約数ペア:

[(1, 21439992), (2, 10719996), (3, 7146664), (4, 5359998), (6, 3573332), (7, 3062856), (8, 2679999), (12, 1786666), (14, 1531428), (17, 1261176), (21, 1020952), (24, 893333), (28, 765714), (34, 630588), (42, 510476), (51, 420392), (56, 382857), (68, 315294), (84, 255238), (102, 210196), (119, 180168), (136, 157647), (168, 127619), (204, 105098), (238, 90084), (357, 60056), (408, 52549), (476, 45042), (714, 30028), (952, 22521), (1428, 15014), (2856, 7507)]