21858880

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:923

約数の個数: 56

約数和(自身を含む): 52742592

約数和(自身を除く): 30883712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 823, 830, 1328, 1646, 1660, 2656, 3292, 3320, 4115, 5312, 6584, 6640, 8230, 13168, 13280, 16460, 26336, 26560, 32920, 52672, 65840, 68309, 131680, 136618, 263360, 273236, 341545, 546472, 683090, 1092944, 1366180, 2185888, 2732360, 4371776, 5464720, 10929440, 21858880]

約数ペア:

[(1, 21858880), (2, 10929440), (4, 5464720), (5, 4371776), (8, 2732360), (10, 2185888), (16, 1366180), (20, 1092944), (32, 683090), (40, 546472), (64, 341545), (80, 273236), (83, 263360), (160, 136618), (166, 131680), (320, 68309), (332, 65840), (415, 52672), (664, 32920), (823, 26560), (830, 26336), (1328, 16460), (1646, 13280), (1660, 13168), (2656, 8230), (3292, 6640), (3320, 6584), (4115, 5312)]