21663288

素因数分解:

$2^3\times 3^4\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 61463160

約数和(自身を除く): 39799872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 162, 202, 216, 303, 324, 331, 404, 606, 648, 662, 808, 909, 993, 1212, 1324, 1818, 1986, 2424, 2648, 2727, 2979, 3636, 3972, 5454, 5958, 7272, 7944, 8181, 8937, 10908, 11916, 16362, 17874, 21816, 23832, 26811, 32724, 33431, 35748, 53622, 65448, 66862, 71496, 100293, 107244, 133724, 200586, 214488, 267448, 300879, 401172, 601758, 802344, 902637, 1203516, 1805274, 2407032, 2707911, 3610548, 5415822, 7221096, 10831644, 21663288]

約数ペア:

[(1, 21663288), (2, 10831644), (3, 7221096), (4, 5415822), (6, 3610548), (8, 2707911), (9, 2407032), (12, 1805274), (18, 1203516), (24, 902637), (27, 802344), (36, 601758), (54, 401172), (72, 300879), (81, 267448), (101, 214488), (108, 200586), (162, 133724), (202, 107244), (216, 100293), (303, 71496), (324, 66862), (331, 65448), (404, 53622), (606, 35748), (648, 33431), (662, 32724), (808, 26811), (909, 23832), (993, 21816), (1212, 17874), (1324, 16362), (1818, 11916), (1986, 10908), (2424, 8937), (2648, 8181), (2727, 7944), (2979, 7272), (3636, 5958), (3972, 5454)]