21203000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 61326720

約数和(自身を除く): 40123720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 233, 250, 260, 280, 325, 350, 364, 455, 466, 500, 520, 650, 700, 728, 875, 910, 932, 1000, 1165, 1300, 1400, 1625, 1631, 1750, 1820, 1864, 2275, 2330, 2600, 3029, 3250, 3262, 3500, 3640, 4550, 4660, 5825, 6058, 6500, 6524, 7000, 8155, 9100, 9320, 11375, 11650, 12116, 13000, 13048, 15145, 16310, 18200, 21203, 22750, 23300, 24232, 29125, 30290, 32620, 40775, 42406, 45500, 46600, 58250, 60580, 65240, 75725, 81550, 84812, 91000, 106015, 116500, 121160, 151450, 163100, 169624, 203875, 212030, 233000, 302900, 326200, 378625, 407750, 424060, 530075, 605800, 757250, 815500, 848120, 1060150, 1514500, 1631000, 2120300, 2650375, 3029000, 4240600, 5300750, 10601500, 21203000]

約数ペア:

[(1, 21203000), (2, 10601500), (4, 5300750), (5, 4240600), (7, 3029000), (8, 2650375), (10, 2120300), (13, 1631000), (14, 1514500), (20, 1060150), (25, 848120), (26, 815500), (28, 757250), (35, 605800), (40, 530075), (50, 424060), (52, 407750), (56, 378625), (65, 326200), (70, 302900), (91, 233000), (100, 212030), (104, 203875), (125, 169624), (130, 163100), (140, 151450), (175, 121160), (182, 116500), (200, 106015), (233, 91000), (250, 84812), (260, 81550), (280, 75725), (325, 65240), (350, 60580), (364, 58250), (455, 46600), (466, 45500), (500, 42406), (520, 40775), (650, 32620), (700, 30290), (728, 29125), (875, 24232), (910, 23300), (932, 22750), (1000, 21203), (1165, 18200), (1300, 16310), (1400, 15145), (1625, 13048), (1631, 13000), (1750, 12116), (1820, 11650), (1864, 11375), (2275, 9320), (2330, 9100), (2600, 8155), (3029, 7000), (3250, 6524), (3262, 6500), (3500, 6058), (3640, 5825), (4550, 4660)]