21449850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4931}}^1$

素因数の和:4975

約数の個数: 48

約数和(自身を含む): 55041120

約数和(自身を除く): 33591270

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4931, 9862, 14793, 24655, 29586, 49310, 73965, 123275, 142999, 147930, 246550, 285998, 369825, 428997, 714995, 739650, 857994, 1429990, 2144985, 3574975, 4289970, 7149950, 10724925, 21449850]

約数ペア:

[(1, 21449850), (2, 10724925), (3, 7149950), (5, 4289970), (6, 3574975), (10, 2144985), (15, 1429990), (25, 857994), (29, 739650), (30, 714995), (50, 428997), (58, 369825), (75, 285998), (87, 246550), (145, 147930), (150, 142999), (174, 123275), (290, 73965), (435, 49310), (725, 29586), (870, 24655), (1450, 14793), (2175, 9862), (4350, 4931)]