21441750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 61461504

約数和(自身を除く): 40019754

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 25, 30, 33, 46, 50, 55, 66, 69, 75, 110, 113, 115, 125, 138, 150, 165, 226, 230, 250, 253, 275, 330, 339, 345, 375, 506, 550, 565, 575, 678, 690, 750, 759, 825, 1130, 1150, 1243, 1265, 1375, 1518, 1650, 1695, 1725, 2486, 2530, 2599, 2750, 2825, 2875, 3390, 3450, 3729, 3795, 4125, 5198, 5650, 5750, 6215, 6325, 7458, 7590, 7797, 8250, 8475, 8625, 12430, 12650, 12995, 14125, 15594, 16950, 17250, 18645, 18975, 25990, 28250, 28589, 31075, 31625, 37290, 37950, 38985, 42375, 57178, 62150, 63250, 64975, 77970, 84750, 85767, 93225, 94875, 129950, 142945, 155375, 171534, 186450, 189750, 194925, 285890, 310750, 324875, 389850, 428835, 466125, 649750, 714725, 857670, 932250, 974625, 1429450, 1949250, 2144175, 3573625, 4288350, 7147250, 10720875, 21441750]

約数ペア:

[(1, 21441750), (2, 10720875), (3, 7147250), (5, 4288350), (6, 3573625), (10, 2144175), (11, 1949250), (15, 1429450), (22, 974625), (23, 932250), (25, 857670), (30, 714725), (33, 649750), (46, 466125), (50, 428835), (55, 389850), (66, 324875), (69, 310750), (75, 285890), (110, 194925), (113, 189750), (115, 186450), (125, 171534), (138, 155375), (150, 142945), (165, 129950), (226, 94875), (230, 93225), (250, 85767), (253, 84750), (275, 77970), (330, 64975), (339, 63250), (345, 62150), (375, 57178), (506, 42375), (550, 38985), (565, 37950), (575, 37290), (678, 31625), (690, 31075), (750, 28589), (759, 28250), (825, 25990), (1130, 18975), (1150, 18645), (1243, 17250), (1265, 16950), (1375, 15594), (1518, 14125), (1650, 12995), (1695, 12650), (1725, 12430), (2486, 8625), (2530, 8475), (2599, 8250), (2750, 7797), (2825, 7590), (2875, 7458), (3390, 6325), (3450, 6215), (3729, 5750), (3795, 5650), (4125, 5198)]