21639300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4277

約数の個数: 72

約数和(自身を含む): 66308256

約数和(自身を除く): 44668956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4243, 5100, 8486, 12729, 16972, 21215, 25458, 42430, 50916, 63645, 72131, 84860, 106075, 127290, 144262, 212150, 216393, 254580, 288524, 318225, 360655, 424300, 432786, 636450, 721310, 865572, 1081965, 1272900, 1442620, 1803275, 2163930, 3606550, 4327860, 5409825, 7213100, 10819650, 21639300]

約数ペア:

[(1, 21639300), (2, 10819650), (3, 7213100), (4, 5409825), (5, 4327860), (6, 3606550), (10, 2163930), (12, 1803275), (15, 1442620), (17, 1272900), (20, 1081965), (25, 865572), (30, 721310), (34, 636450), (50, 432786), (51, 424300), (60, 360655), (68, 318225), (75, 288524), (85, 254580), (100, 216393), (102, 212150), (150, 144262), (170, 127290), (204, 106075), (255, 84860), (300, 72131), (340, 63645), (425, 50916), (510, 42430), (850, 25458), (1020, 21215), (1275, 16972), (1700, 12729), (2550, 8486), (4243, 5100)]