21446250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 160

約数和(自身を含む): 65978880

約数和(自身を除く): 44532630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 43, 50, 57, 70, 75, 86, 95, 105, 114, 125, 129, 133, 150, 175, 190, 210, 215, 250, 258, 266, 285, 301, 350, 375, 399, 430, 475, 525, 570, 602, 625, 645, 665, 750, 798, 817, 875, 903, 950, 1050, 1075, 1250, 1290, 1330, 1425, 1505, 1634, 1750, 1806, 1875, 1995, 2150, 2375, 2451, 2625, 2850, 3010, 3225, 3325, 3750, 3990, 4085, 4375, 4515, 4750, 4902, 5250, 5375, 5719, 6450, 6650, 7125, 7525, 8170, 8750, 9030, 9975, 10750, 11438, 11875, 12255, 13125, 14250, 15050, 16125, 16625, 17157, 19950, 20425, 22575, 23750, 24510, 26250, 26875, 28595, 32250, 33250, 34314, 35625, 37625, 40850, 45150, 49875, 53750, 57190, 61275, 71250, 75250, 80625, 83125, 85785, 99750, 102125, 112875, 122550, 142975, 161250, 166250, 171570, 188125, 204250, 225750, 249375, 285950, 306375, 376250, 428925, 498750, 510625, 564375, 612750, 714875, 857850, 1021250, 1128750, 1429750, 1531875, 2144625, 3063750, 3574375, 4289250, 7148750, 10723125, 21446250]

約数ペア:

[(1, 21446250), (2, 10723125), (3, 7148750), (5, 4289250), (6, 3574375), (7, 3063750), (10, 2144625), (14, 1531875), (15, 1429750), (19, 1128750), (21, 1021250), (25, 857850), (30, 714875), (35, 612750), (38, 564375), (42, 510625), (43, 498750), (50, 428925), (57, 376250), (70, 306375), (75, 285950), (86, 249375), (95, 225750), (105, 204250), (114, 188125), (125, 171570), (129, 166250), (133, 161250), (150, 142975), (175, 122550), (190, 112875), (210, 102125), (215, 99750), (250, 85785), (258, 83125), (266, 80625), (285, 75250), (301, 71250), (350, 61275), (375, 57190), (399, 53750), (430, 49875), (475, 45150), (525, 40850), (570, 37625), (602, 35625), (625, 34314), (645, 33250), (665, 32250), (750, 28595), (798, 26875), (817, 26250), (875, 24510), (903, 23750), (950, 22575), (1050, 20425), (1075, 19950), (1250, 17157), (1290, 16625), (1330, 16125), (1425, 15050), (1505, 14250), (1634, 13125), (1750, 12255), (1806, 11875), (1875, 11438), (1995, 10750), (2150, 9975), (2375, 9030), (2451, 8750), (2625, 8170), (2850, 7525), (3010, 7125), (3225, 6650), (3325, 6450), (3750, 5719), (3990, 5375), (4085, 5250), (4375, 4902), (4515, 4750)]