21980184

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{3169}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 58391400

約数和(自身を除く): 36411216

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 289, 408, 578, 867, 1156, 1734, 2312, 3169, 3468, 6338, 6936, 9507, 12676, 19014, 25352, 38028, 53873, 76056, 107746, 161619, 215492, 323238, 430984, 646476, 915841, 1292952, 1831682, 2747523, 3663364, 5495046, 7326728, 10990092, 21980184]

約数ペア:

[(1, 21980184), (2, 10990092), (3, 7326728), (4, 5495046), (6, 3663364), (8, 2747523), (12, 1831682), (17, 1292952), (24, 915841), (34, 646476), (51, 430984), (68, 323238), (102, 215492), (136, 161619), (204, 107746), (289, 76056), (408, 53873), (578, 38028), (867, 25352), (1156, 19014), (1734, 12676), (2312, 9507), (3169, 6936), (3468, 6338)]