21377088

素因数分解:

$2^6\times 3^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 112

約数和(自身を含む): 64008000

約数和(自身を除く): 42630912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 89, 96, 108, 139, 144, 178, 192, 216, 267, 278, 288, 356, 417, 432, 534, 556, 576, 712, 801, 834, 864, 1068, 1112, 1251, 1424, 1602, 1668, 1728, 2136, 2224, 2403, 2502, 2848, 3204, 3336, 3753, 4272, 4448, 4806, 5004, 5696, 6408, 6672, 7506, 8544, 8896, 9612, 10008, 12371, 12816, 13344, 15012, 17088, 19224, 20016, 24742, 25632, 26688, 30024, 37113, 38448, 40032, 49484, 51264, 60048, 74226, 76896, 80064, 98968, 111339, 120096, 148452, 153792, 197936, 222678, 240192, 296904, 334017, 395872, 445356, 593808, 668034, 791744, 890712, 1187616, 1336068, 1781424, 2375232, 2672136, 3562848, 5344272, 7125696, 10688544, 21377088]

約数ペア:

[(1, 21377088), (2, 10688544), (3, 7125696), (4, 5344272), (6, 3562848), (8, 2672136), (9, 2375232), (12, 1781424), (16, 1336068), (18, 1187616), (24, 890712), (27, 791744), (32, 668034), (36, 593808), (48, 445356), (54, 395872), (64, 334017), (72, 296904), (89, 240192), (96, 222678), (108, 197936), (139, 153792), (144, 148452), (178, 120096), (192, 111339), (216, 98968), (267, 80064), (278, 76896), (288, 74226), (356, 60048), (417, 51264), (432, 49484), (534, 40032), (556, 38448), (576, 37113), (712, 30024), (801, 26688), (834, 25632), (864, 24742), (1068, 20016), (1112, 19224), (1251, 17088), (1424, 15012), (1602, 13344), (1668, 12816), (1728, 12371), (2136, 10008), (2224, 9612), (2403, 8896), (2502, 8544), (2848, 7506), (3204, 6672), (3336, 6408), (3753, 5696), (4272, 5004), (4448, 4806)]