21726900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:655

約数の個数: 144

約数和(自身を含む): 75342400

約数和(自身を除く): 53615500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 619, 650, 675, 702, 780, 900, 975, 1170, 1238, 1300, 1350, 1404, 1755, 1857, 1950, 2340, 2476, 2700, 2925, 3095, 3510, 3714, 3900, 5571, 5850, 6190, 7020, 7428, 8047, 8775, 9285, 11142, 11700, 12380, 15475, 16094, 16713, 17550, 18570, 22284, 24141, 27855, 30950, 32188, 33426, 35100, 37140, 40235, 46425, 48282, 55710, 61900, 66852, 72423, 80470, 83565, 92850, 96564, 111420, 120705, 139275, 144846, 160940, 167130, 185700, 201175, 217269, 241410, 278550, 289692, 334260, 362115, 402350, 417825, 434538, 482820, 557100, 603525, 724230, 804700, 835650, 869076, 1086345, 1207050, 1448460, 1671300, 1810575, 2172690, 2414100, 3621150, 4345380, 5431725, 7242300, 10863450, 21726900]

約数ペア:

[(1, 21726900), (2, 10863450), (3, 7242300), (4, 5431725), (5, 4345380), (6, 3621150), (9, 2414100), (10, 2172690), (12, 1810575), (13, 1671300), (15, 1448460), (18, 1207050), (20, 1086345), (25, 869076), (26, 835650), (27, 804700), (30, 724230), (36, 603525), (39, 557100), (45, 482820), (50, 434538), (52, 417825), (54, 402350), (60, 362115), (65, 334260), (75, 289692), (78, 278550), (90, 241410), (100, 217269), (108, 201175), (117, 185700), (130, 167130), (135, 160940), (150, 144846), (156, 139275), (180, 120705), (195, 111420), (225, 96564), (234, 92850), (260, 83565), (270, 80470), (300, 72423), (325, 66852), (351, 61900), (390, 55710), (450, 48282), (468, 46425), (540, 40235), (585, 37140), (619, 35100), (650, 33426), (675, 32188), (702, 30950), (780, 27855), (900, 24141), (975, 22284), (1170, 18570), (1238, 17550), (1300, 16713), (1350, 16094), (1404, 15475), (1755, 12380), (1857, 11700), (1950, 11142), (2340, 9285), (2476, 8775), (2700, 8047), (2925, 7428), (3095, 7020), (3510, 6190), (3714, 5850), (3900, 5571)]