21729900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 63527184

約数和(自身を除く): 41797284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 113, 150, 226, 300, 339, 452, 565, 641, 678, 1130, 1282, 1356, 1695, 1923, 2260, 2564, 2825, 3205, 3390, 3846, 5650, 6410, 6780, 7692, 8475, 9615, 11300, 12820, 16025, 16950, 19230, 32050, 33900, 38460, 48075, 64100, 72433, 96150, 144866, 192300, 217299, 289732, 362165, 434598, 724330, 869196, 1086495, 1448660, 1810825, 2172990, 3621650, 4345980, 5432475, 7243300, 10864950, 21729900]

約数ペア:

[(1, 21729900), (2, 10864950), (3, 7243300), (4, 5432475), (5, 4345980), (6, 3621650), (10, 2172990), (12, 1810825), (15, 1448660), (20, 1086495), (25, 869196), (30, 724330), (50, 434598), (60, 362165), (75, 289732), (100, 217299), (113, 192300), (150, 144866), (226, 96150), (300, 72433), (339, 64100), (452, 48075), (565, 38460), (641, 33900), (678, 32050), (1130, 19230), (1282, 16950), (1356, 16025), (1695, 12820), (1923, 11300), (2260, 9615), (2564, 8475), (2825, 7692), (3205, 6780), (3390, 6410), (3846, 5650)]