21449892

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 54503680

約数和(自身を除く): 33053788

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 109, 124, 138, 186, 218, 276, 327, 372, 436, 529, 654, 713, 1058, 1308, 1426, 1587, 2116, 2139, 2507, 2852, 3174, 3379, 4278, 5014, 6348, 6758, 7521, 8556, 10028, 10137, 13516, 15042, 16399, 20274, 30084, 32798, 40548, 49197, 57661, 65596, 77717, 98394, 115322, 155434, 172983, 196788, 230644, 233151, 310868, 345966, 466302, 691932, 932604, 1787491, 3574982, 5362473, 7149964, 10724946, 21449892]

約数ペア:

[(1, 21449892), (2, 10724946), (3, 7149964), (4, 5362473), (6, 3574982), (12, 1787491), (23, 932604), (31, 691932), (46, 466302), (62, 345966), (69, 310868), (92, 233151), (93, 230644), (109, 196788), (124, 172983), (138, 155434), (186, 115322), (218, 98394), (276, 77717), (327, 65596), (372, 57661), (436, 49197), (529, 40548), (654, 32798), (713, 30084), (1058, 20274), (1308, 16399), (1426, 15042), (1587, 13516), (2116, 10137), (2139, 10028), (2507, 8556), (2852, 7521), (3174, 6758), (3379, 6348), (4278, 5014)]