21878889102

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19293553}}^1$

素因数の和:19293574

約数の個数: 40

約数和(自身を含む): 56028480816

約数和(自身を除く): 34149591714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 19293553, 38587106, 57880659, 115761318, 135054871, 173641977, 270109742, 347283954, 405164613, 520925931, 810329226, 1041851862, 1215493839, 1562777793, 2430987678, 3125555586, 3646481517, 7292963034, 10939444551, 21878889102]

約数ペア:

[(1, 21878889102), (2, 10939444551), (3, 7292963034), (6, 3646481517), (7, 3125555586), (9, 2430987678), (14, 1562777793), (18, 1215493839), (21, 1041851862), (27, 810329226), (42, 520925931), (54, 405164613), (63, 347283954), (81, 270109742), (126, 173641977), (162, 135054871), (189, 115761318), (378, 57880659), (567, 38587106), (1134, 19293553)]