21723930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 37200870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1319, 1647, 1830, 2638, 2745, 3294, 3957, 5490, 6595, 7914, 8235, 11871, 13190, 16470, 19785, 23742, 35613, 39570, 59355, 71226, 80459, 118710, 160918, 178065, 241377, 356130, 402295, 482754, 724131, 804590, 1206885, 1448262, 2172393, 2413770, 3620655, 4344786, 7241310, 10861965, 21723930]

約数ペア:

[(1, 21723930), (2, 10861965), (3, 7241310), (5, 4344786), (6, 3620655), (9, 2413770), (10, 2172393), (15, 1448262), (18, 1206885), (27, 804590), (30, 724131), (45, 482754), (54, 402295), (61, 356130), (90, 241377), (122, 178065), (135, 160918), (183, 118710), (270, 80459), (305, 71226), (366, 59355), (549, 39570), (610, 35613), (915, 23742), (1098, 19785), (1319, 16470), (1647, 13190), (1830, 11871), (2638, 8235), (2745, 7914), (3294, 6595), (3957, 5490)]