21247107670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:770

約数の個数: 128

約数和(自身を含む): 42414243840

約数和(自身を除く): 21167136170

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 67, 79, 115, 134, 155, 158, 230, 310, 335, 395, 563, 670, 713, 790, 1126, 1426, 1541, 1817, 2077, 2449, 2815, 3082, 3565, 3634, 4154, 4898, 5293, 5630, 7130, 7705, 9085, 10385, 10586, 12245, 12949, 15410, 17453, 18170, 20770, 24490, 25898, 26465, 34906, 37721, 44477, 47771, 52930, 56327, 64745, 75442, 87265, 88954, 95542, 112654, 121739, 129490, 164083, 174530, 188605, 222385, 238855, 243478, 281635, 328166, 377210, 401419, 444770, 477710, 563270, 608695, 802838, 820415, 867583, 1022971, 1169351, 1217390, 1378787, 1640830, 1735166, 2007095, 2045942, 2338702, 2757574, 2979959, 3773909, 4014190, 4337915, 5114855, 5846755, 5959918, 6893935, 7547818, 8675830, 10229710, 11693510, 13787870, 14899795, 18869545, 26895073, 29799590, 31712101, 37739090, 53790146, 63424202, 68539057, 92378729, 134475365, 137078114, 158560505, 184757458, 268950730, 317121010, 342695285, 461893645, 685390570, 923787290, 2124710767, 4249421534, 10623553835, 21247107670]

約数ペア:

[(1, 21247107670), (2, 10623553835), (5, 4249421534), (10, 2124710767), (23, 923787290), (31, 685390570), (46, 461893645), (62, 342695285), (67, 317121010), (79, 268950730), (115, 184757458), (134, 158560505), (155, 137078114), (158, 134475365), (230, 92378729), (310, 68539057), (335, 63424202), (395, 53790146), (563, 37739090), (670, 31712101), (713, 29799590), (790, 26895073), (1126, 18869545), (1426, 14899795), (1541, 13787870), (1817, 11693510), (2077, 10229710), (2449, 8675830), (2815, 7547818), (3082, 6893935), (3565, 5959918), (3634, 5846755), (4154, 5114855), (4898, 4337915), (5293, 4014190), (5630, 3773909), (7130, 2979959), (7705, 2757574), (9085, 2338702), (10385, 2045942), (10586, 2007095), (12245, 1735166), (12949, 1640830), (15410, 1378787), (17453, 1217390), (18170, 1169351), (20770, 1022971), (24490, 867583), (25898, 820415), (26465, 802838), (34906, 608695), (37721, 563270), (44477, 477710), (47771, 444770), (52930, 401419), (56327, 377210), (64745, 328166), (75442, 281635), (87265, 243478), (88954, 238855), (95542, 222385), (112654, 188605), (121739, 174530), (129490, 164083)]