21012708

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4007}}^1$

素因数の和:4056

約数の個数: 48

約数和(自身を含む): 53867520

約数和(自身を除く): 32854812

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 4007, 5244, 8014, 12021, 16028, 24042, 48084, 76133, 92161, 152266, 184322, 228399, 276483, 304532, 368644, 456798, 552966, 913596, 1105932, 1751059, 3502118, 5253177, 7004236, 10506354, 21012708]

約数ペア:

[(1, 21012708), (2, 10506354), (3, 7004236), (4, 5253177), (6, 3502118), (12, 1751059), (19, 1105932), (23, 913596), (38, 552966), (46, 456798), (57, 368644), (69, 304532), (76, 276483), (92, 228399), (114, 184322), (138, 152266), (228, 92161), (276, 76133), (437, 48084), (874, 24042), (1311, 16028), (1748, 12021), (2622, 8014), (4007, 5244)]