21111408252

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{73331}}^1$

素因数の和:74079

約数の個数: 72

約数和(自身を含む): 58297180032

約数和(自身を除く): 37185771780

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 727, 1454, 2181, 2908, 4362, 6543, 7997, 8724, 13086, 15994, 23991, 26172, 31988, 47982, 71973, 73331, 95964, 143946, 146662, 219993, 287892, 293324, 439986, 659979, 806641, 879972, 1319958, 1613282, 2419923, 2639916, 3226564, 4839846, 7259769, 9679692, 14519538, 29039076, 53311637, 106623274, 159934911, 213246548, 319869822, 479804733, 586428007, 639739644, 959609466, 1172856014, 1759284021, 1919218932, 2345712028, 3518568042, 5277852063, 7037136084, 10555704126, 21111408252]

約数ペア:

[(1, 21111408252), (2, 10555704126), (3, 7037136084), (4, 5277852063), (6, 3518568042), (9, 2345712028), (11, 1919218932), (12, 1759284021), (18, 1172856014), (22, 959609466), (33, 639739644), (36, 586428007), (44, 479804733), (66, 319869822), (99, 213246548), (132, 159934911), (198, 106623274), (396, 53311637), (727, 29039076), (1454, 14519538), (2181, 9679692), (2908, 7259769), (4362, 4839846), (6543, 3226564), (7997, 2639916), (8724, 2419923), (13086, 1613282), (15994, 1319958), (23991, 879972), (26172, 806641), (31988, 659979), (47982, 439986), (71973, 293324), (73331, 287892), (95964, 219993), (143946, 146662)]