21484364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 44620800

約数和(自身を除く): 23136436

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 829, 836, 1178, 1364, 1658, 2356, 3316, 6479, 9119, 12958, 15751, 18238, 25699, 25916, 31502, 36476, 51398, 63004, 102796, 173261, 282689, 346522, 488281, 565378, 693044, 976562, 1130756, 1953124, 5371091, 10742182, 21484364]

約数ペア:

[(1, 21484364), (2, 10742182), (4, 5371091), (11, 1953124), (19, 1130756), (22, 976562), (31, 693044), (38, 565378), (44, 488281), (62, 346522), (76, 282689), (124, 173261), (209, 102796), (341, 63004), (418, 51398), (589, 36476), (682, 31502), (829, 25916), (836, 25699), (1178, 18238), (1364, 15751), (1658, 12958), (2356, 9119), (3316, 6479)]