2021331390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{7841}}^1$

素因数の和:8525

約数の個数: 64

約数和(自身を含む): 5232935232

約数和(自身を除く): 3211603842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 661, 1322, 1983, 3305, 3966, 6610, 7841, 8593, 9915, 15682, 17186, 19830, 23523, 25779, 39205, 42965, 47046, 51558, 78410, 85930, 101933, 117615, 128895, 203866, 235230, 257790, 305799, 509665, 611598, 1019330, 1528995, 3057990, 5182901, 10365802, 15548703, 25914505, 31097406, 51829010, 67377713, 77743515, 134755426, 155487030, 202133139, 336888565, 404266278, 673777130, 1010665695, 2021331390]

約数ペア:

[(1, 2021331390), (2, 1010665695), (3, 673777130), (5, 404266278), (6, 336888565), (10, 202133139), (13, 155487030), (15, 134755426), (26, 77743515), (30, 67377713), (39, 51829010), (65, 31097406), (78, 25914505), (130, 15548703), (195, 10365802), (390, 5182901), (661, 3057990), (1322, 1528995), (1983, 1019330), (3305, 611598), (3966, 509665), (6610, 305799), (7841, 257790), (8593, 235230), (9915, 203866), (15682, 128895), (17186, 117615), (19830, 101933), (23523, 85930), (25779, 78410), (39205, 51558), (42965, 47046)]