21930972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 58958592

約数和(自身を除く): 37027620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 1993, 2751, 3668, 3986, 5502, 5979, 7972, 11004, 11958, 13951, 23916, 27902, 41853, 55804, 83706, 167412, 261083, 522166, 783249, 1044332, 1566498, 1827581, 3132996, 3655162, 5482743, 7310324, 10965486, 21930972]

約数ペア:

[(1, 21930972), (2, 10965486), (3, 7310324), (4, 5482743), (6, 3655162), (7, 3132996), (12, 1827581), (14, 1566498), (21, 1044332), (28, 783249), (42, 522166), (84, 261083), (131, 167412), (262, 83706), (393, 55804), (524, 41853), (786, 27902), (917, 23916), (1572, 13951), (1834, 11958), (1993, 11004), (2751, 7972), (3668, 5979), (3986, 5502)]