21889968

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 59805696

約数和(自身を除く): 37915728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 47, 48, 62, 93, 94, 124, 141, 186, 188, 248, 282, 313, 372, 376, 496, 564, 626, 744, 752, 939, 1128, 1252, 1457, 1488, 1878, 2256, 2504, 2914, 3756, 4371, 5008, 5828, 7512, 8742, 9703, 11656, 14711, 15024, 17484, 19406, 23312, 29109, 29422, 34968, 38812, 44133, 58218, 58844, 69936, 77624, 88266, 116436, 117688, 155248, 176532, 232872, 235376, 353064, 456041, 465744, 706128, 912082, 1368123, 1824164, 2736246, 3648328, 5472492, 7296656, 10944984, 21889968]

約数ペア:

[(1, 21889968), (2, 10944984), (3, 7296656), (4, 5472492), (6, 3648328), (8, 2736246), (12, 1824164), (16, 1368123), (24, 912082), (31, 706128), (47, 465744), (48, 456041), (62, 353064), (93, 235376), (94, 232872), (124, 176532), (141, 155248), (186, 117688), (188, 116436), (248, 88266), (282, 77624), (313, 69936), (372, 58844), (376, 58218), (496, 44133), (564, 38812), (626, 34968), (744, 29422), (752, 29109), (939, 23312), (1128, 19406), (1252, 17484), (1457, 15024), (1488, 14711), (1878, 11656), (2256, 9703), (2504, 8742), (2914, 7512), (3756, 5828), (4371, 5008)]