21998520070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{17093}}^1$

素因数の和:17257

約数の個数: 64

約数和(自身を含む): 42077496384

約数和(自身を除く): 20078976314

約数列:

[1, 2, 5, 10, 41, 43, 73, 82, 86, 146, 205, 215, 365, 410, 430, 730, 1763, 2993, 3139, 3526, 5986, 6278, 8815, 14965, 15695, 17093, 17630, 29930, 31390, 34186, 85465, 128699, 170930, 257398, 643495, 700813, 734999, 1247789, 1286990, 1401626, 1469998, 2495578, 3504065, 3674995, 6238945, 7008130, 7349990, 12477890, 30134959, 51159349, 53654927, 60269918, 102318698, 107309854, 150674795, 255796745, 268274635, 301349590, 511593490, 536549270, 2199852007, 4399704014, 10999260035, 21998520070]

約数ペア:

[(1, 21998520070), (2, 10999260035), (5, 4399704014), (10, 2199852007), (41, 536549270), (43, 511593490), (73, 301349590), (82, 268274635), (86, 255796745), (146, 150674795), (205, 107309854), (215, 102318698), (365, 60269918), (410, 53654927), (430, 51159349), (730, 30134959), (1763, 12477890), (2993, 7349990), (3139, 7008130), (3526, 6238945), (5986, 3674995), (6278, 3504065), (8815, 2495578), (14965, 1469998), (15695, 1401626), (17093, 1286990), (17630, 1247789), (29930, 734999), (31390, 700813), (34186, 643495), (85465, 257398), (128699, 170930)]