21786840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20173}}^1$

素因数の和:20193

約数の個数: 64

約数和(自身を含む): 72626400

約数和(自身を除く): 50839560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20173, 40346, 60519, 80692, 100865, 121038, 161384, 181557, 201730, 242076, 302595, 363114, 403460, 484152, 544671, 605190, 726228, 806920, 907785, 1089342, 1210380, 1452456, 1815570, 2178684, 2420760, 2723355, 3631140, 4357368, 5446710, 7262280, 10893420, 21786840]

約数ペア:

[(1, 21786840), (2, 10893420), (3, 7262280), (4, 5446710), (5, 4357368), (6, 3631140), (8, 2723355), (9, 2420760), (10, 2178684), (12, 1815570), (15, 1452456), (18, 1210380), (20, 1089342), (24, 907785), (27, 806920), (30, 726228), (36, 605190), (40, 544671), (45, 484152), (54, 403460), (60, 363114), (72, 302595), (90, 242076), (108, 201730), (120, 181557), (135, 161384), (180, 121038), (216, 100865), (270, 80692), (360, 60519), (540, 40346), (1080, 20173)]