21123792

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8629}}^1$

素因数の和:8660

約数の個数: 60

約数和(自身を含む): 62602020

約数和(自身を除く): 41478228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8629, 17258, 25887, 34516, 51774, 69032, 77661, 103548, 138064, 146693, 155322, 207096, 293386, 310644, 414192, 440079, 586772, 621288, 880158, 1173544, 1242576, 1320237, 1760316, 2347088, 2640474, 3520632, 5280948, 7041264, 10561896, 21123792]

約数ペア:

[(1, 21123792), (2, 10561896), (3, 7041264), (4, 5280948), (6, 3520632), (8, 2640474), (9, 2347088), (12, 1760316), (16, 1320237), (17, 1242576), (18, 1173544), (24, 880158), (34, 621288), (36, 586772), (48, 440079), (51, 414192), (68, 310644), (72, 293386), (102, 207096), (136, 155322), (144, 146693), (153, 138064), (204, 103548), (272, 77661), (306, 69032), (408, 51774), (612, 34516), (816, 25887), (1224, 17258), (2448, 8629)]