21616350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 66410928

約数和(自身を除く): 44794578

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 49, 50, 51, 70, 75, 85, 98, 102, 105, 119, 147, 150, 170, 173, 175, 210, 238, 245, 255, 294, 346, 350, 357, 425, 490, 510, 519, 525, 595, 714, 735, 833, 850, 865, 1038, 1050, 1190, 1211, 1225, 1275, 1470, 1666, 1730, 1785, 2422, 2450, 2499, 2550, 2595, 2941, 2975, 3570, 3633, 3675, 4165, 4325, 4998, 5190, 5882, 5950, 6055, 7266, 7350, 8330, 8477, 8650, 8823, 8925, 12110, 12495, 12975, 14705, 16954, 17646, 17850, 18165, 20587, 20825, 24990, 25431, 25950, 29410, 30275, 36330, 41174, 41650, 42385, 44115, 50862, 60550, 61761, 62475, 73525, 84770, 88230, 90825, 102935, 123522, 124950, 127155, 144109, 147050, 181650, 205870, 211925, 220575, 254310, 288218, 308805, 423850, 432327, 441150, 514675, 617610, 635775, 720545, 864654, 1029350, 1271550, 1441090, 1544025, 2161635, 3088050, 3602725, 4323270, 7205450, 10808175, 21616350]

約数ペア:

[(1, 21616350), (2, 10808175), (3, 7205450), (5, 4323270), (6, 3602725), (7, 3088050), (10, 2161635), (14, 1544025), (15, 1441090), (17, 1271550), (21, 1029350), (25, 864654), (30, 720545), (34, 635775), (35, 617610), (42, 514675), (49, 441150), (50, 432327), (51, 423850), (70, 308805), (75, 288218), (85, 254310), (98, 220575), (102, 211925), (105, 205870), (119, 181650), (147, 147050), (150, 144109), (170, 127155), (173, 124950), (175, 123522), (210, 102935), (238, 90825), (245, 88230), (255, 84770), (294, 73525), (346, 62475), (350, 61761), (357, 60550), (425, 50862), (490, 44115), (510, 42385), (519, 41650), (525, 41174), (595, 36330), (714, 30275), (735, 29410), (833, 25950), (850, 25431), (865, 24990), (1038, 20825), (1050, 20587), (1190, 18165), (1211, 17850), (1225, 17646), (1275, 16954), (1470, 14705), (1666, 12975), (1730, 12495), (1785, 12110), (2422, 8925), (2450, 8823), (2499, 8650), (2550, 8477), (2595, 8330), (2941, 7350), (2975, 7266), (3570, 6055), (3633, 5950), (3675, 5882), (4165, 5190), (4325, 4998)]