21492534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 54005760

約数和(自身を除く): 32513226

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1171, 1311, 2342, 2622, 3059, 3513, 6118, 7026, 8197, 9177, 16394, 18354, 22249, 24591, 26933, 44498, 49182, 53866, 66747, 80799, 133494, 155743, 161598, 188531, 311486, 377062, 467229, 511727, 565593, 934458, 1023454, 1131186, 1535181, 3070362, 3582089, 7164178, 10746267, 21492534]

約数ペア:

[(1, 21492534), (2, 10746267), (3, 7164178), (6, 3582089), (7, 3070362), (14, 1535181), (19, 1131186), (21, 1023454), (23, 934458), (38, 565593), (42, 511727), (46, 467229), (57, 377062), (69, 311486), (114, 188531), (133, 161598), (138, 155743), (161, 133494), (266, 80799), (322, 66747), (399, 53866), (437, 49182), (483, 44498), (798, 26933), (874, 24591), (966, 22249), (1171, 18354), (1311, 16394), (2342, 9177), (2622, 8197), (3059, 7026), (3513, 6118)]