21401496

素因数分解:

$2^3\times 3^5\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 61261200

約数和(自身を除く): 39859704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 109, 162, 202, 216, 218, 243, 303, 324, 327, 404, 436, 486, 606, 648, 654, 808, 872, 909, 972, 981, 1212, 1308, 1818, 1944, 1962, 2424, 2616, 2727, 2943, 3636, 3924, 5454, 5886, 7272, 7848, 8181, 8829, 10908, 11009, 11772, 16362, 17658, 21816, 22018, 23544, 24543, 26487, 32724, 33027, 35316, 44036, 49086, 52974, 65448, 66054, 70632, 88072, 98172, 99081, 105948, 132108, 196344, 198162, 211896, 264216, 297243, 396324, 594486, 792648, 891729, 1188972, 1783458, 2377944, 2675187, 3566916, 5350374, 7133832, 10700748, 21401496]

約数ペア:

[(1, 21401496), (2, 10700748), (3, 7133832), (4, 5350374), (6, 3566916), (8, 2675187), (9, 2377944), (12, 1783458), (18, 1188972), (24, 891729), (27, 792648), (36, 594486), (54, 396324), (72, 297243), (81, 264216), (101, 211896), (108, 198162), (109, 196344), (162, 132108), (202, 105948), (216, 99081), (218, 98172), (243, 88072), (303, 70632), (324, 66054), (327, 65448), (404, 52974), (436, 49086), (486, 44036), (606, 35316), (648, 33027), (654, 32724), (808, 26487), (872, 24543), (909, 23544), (972, 22018), (981, 21816), (1212, 17658), (1308, 16362), (1818, 11772), (1944, 11009), (1962, 10908), (2424, 8829), (2616, 8181), (2727, 7848), (2943, 7272), (3636, 5886), (3924, 5454)]