21974358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7369}}^1$

素因数の和:7452

約数の個数: 32

約数和(自身を含む): 50941440

約数和(自身を除く): 28967082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7369, 14738, 22107, 44214, 51583, 103166, 154749, 309498, 523199, 1046398, 1569597, 3139194, 3662393, 7324786, 10987179, 21974358]

約数ペア:

[(1, 21974358), (2, 10987179), (3, 7324786), (6, 3662393), (7, 3139194), (14, 1569597), (21, 1046398), (42, 523199), (71, 309498), (142, 154749), (213, 103166), (426, 51583), (497, 44214), (994, 22107), (1491, 14738), (2982, 7369)]